# Geometry Video Playlist

## Geometry Video Playlist

545 Lessons
2d 3 dimensional figures 3 vertices 30 60 90 triangle 30-60-90 30-60-90 special right triangles 30-60-90 triangles 3d 3d shapes 45 45 90 triangle 45-45-90 45-45-90 triangles AA AAA AAS act act math act math concepts act math examples act math formulas act math help act math lessons act math overview act math practice act math practice problems act math prep act math questions act math review act math strategies act math study guide act math tips and strategies act math word problems act prep act review acute angles acute right and obtuse angles acute triangle acute triangles addition addition and subtraction addition and subtraction properties addition and subtraction properties of equality addition property addition property of equality adjacent angles algebra alternate exterior angles alternate interior angles Altitude altitude of a triangle altitude of a triangle definition altitude of a triangle example altitude on hypotenuse altitude on hypotenuse theorem Altitudes altitudes and medians altiude of a triangle angle angle between hands of a clock angle bisector angle bisector of a triangle angle bisector theorem angle bisectors angle measure angle measurement angle measures angle of depression angle of elevation angle of elevation and depression angle of elevation and depression word problems angle of elevation trigonometry angle proofs angle proofs examples angle proofs geometry angle side theorem angles apothem aptitude Arc Length arc length of a circle arc length of a sector arc measure arc measures arcs area area and perimeter of irregular figures area and perimeter of irregular shapes area formula area of a circle area of a equilateral triangle area of a hexagon area of a kite area of a kite formula Area of a parallelogram area of a prism area of a rectangle area of a rectangular prism area of a rhombus area of a rhombus formula area of a sector area of a sector of a circle area of a square area of a square from diagonal area of a square from perimeter area of a trapezoid area of a trapezoid explained area of a trapezoid formula area of a trapezoid video area of a trapezoid without height area of a triangle area of a triangle formula area of a triangle given 3 sides area of a triangle with vertices area of an equilateral triangle area of an isosceles trapezoid area of composite figures area of composite shapes area of half circle area of hexagon area of irregular shapes area of parallelogram area of pentagon area of regular hexagon area of regular pentagon area of regular polygons area of shaded region area of shaded region rectangle area of the base arithmetic mean arithmetic mean and geometric mean arithmetic sequence ASA base base angle theorem base angles base area bases basic geometry basic introduction basic trigonometry basic trigonometry sin cos tan between two points beyond cpctc biconditional biconditional statements biconditional statements and definitions bisectors CAT central angles central angles and arc measures central angles and inscribed angles centroid centroid of a triangle Channel chord chord angles chord chord power theorem chord chord theorem chords circle circle arcs circle in square circle proofs circle theorems circle theorems geometry circles circles circumference and area circles geometry circumcenter circumcenter of a triangle circumference circumference of a circle circumscribed circumscribed polygons clock clock angle between hands clock angle problem clock angle tricks clock aptitude clock aptitude problems clock aptitude shortcuts clock aptitude tricks clock problems clock tricks collinear points common tangents complementary and supplementary angles complementary angles composite figures composite shapes Conditional conditional staments cone cones congruence congruent congruent angles congruent arcs congruent arcs theorem congruent chords congruent segments congruent triangles congruent triangles geometry congruent triangles proof consecutive interior angles contrapositive converse converse inverse and contrapositive statements converse inverse contrapositive converse inverse contrapositive biconditional converting degrees minutes and seconds to decimal converting degrees to dms converting dms to degrees coordinate geometry coordinates coplanar lines coplanar points corresponding angles cos cpctc cpctc geometry cpctc geometry proofs cpctc proofs cube cubes cylinder Cylinders decagons decimal decimal degrees decimal degrees to degrees minutes seconds decimal degrees to dms definition definition of a midpoint definition of a parallelogram definition of an angle bisector definition of perpendicular lines definition of segment bisectors degrees degrees minutes seconds degrees to dms detour proofs diagonal diagonal length diagonal length of a cube diagonal length of a rectangle diagonal length of a rectangular prism diagonals diameter distance distance between a point and a line distance formula distance formula between two points distance formula geometry distance formula word problems division division properties division property of equality dms dms to decimal dms to decimal degrees dms to decimal formula dms to degrees dms to degrees formula Edges enlargement ratio eoc equality equation equations equilateral triangle equilateral triangles Euler's Formula Example problems examples explained exterior angle exterior angle inequality theorem exterior angle theorem exterior angle theorem for triangles exterior angle theorem solve for x exterior angles exterior angles of a polygon externally tangent faces faces edges and vertices faces edges and vertices of 3d shapes figures final exam review find missing angles find missing side find missing sides finding angles finding sides finding slope finding slope from two points finding slope given two points formula formulas fractions FSA GED geometric mean Geometric Series geometry geometry angles geometry basics geometry circles geometry eoc review geometry final exam review geometry introduction geometry lessons geometry math geometry math lessons geometry practice problems geometry probability geometry probability practice problems geometry probability problems geometry probability review geometry probability word problems geometry problems geometry proof angles geometry proofs geometry proofs made easy geometry review geometry review for act geometry review for eoc geometry review for final geometry review for sat geometry videos geometry word problems given 3 sides gmat GRE hands of a clock height heptagon heptagons Hero's formula heron's formula hexagon hexagonal prism hexagons hl postulate hour hand how to solve two triangle trigonometry problems hypotenuse leg hypotenuse leg congruence theorem hypotenuse leg postulate hypotenuse leg theorem hypotenuse leg theorem proof if p then q incenter incenter of a triangle indirect proofs indirect proofs geometry inscribed Inscribed Angles inscribed angles and intercepted arcs inscribed angles in circles inscribed polygons inscribed with a circle intercepted arcs interior angle interior angle of a polygon interior angles internally tangent intersecting chords intersecting lines intersecting lines geometry intersection Introduction inverse inverse tangent irregular figures irregular shapes isosceles isosceles trapezoids isosceles triangle isosceles triangles kite kites lateral area lateral area formula lateral area of a cone lateral area of a cylinder lateral area of a hexagonal prism lateral area of a pyramid lateral area of a square pyramid lateral area of a triangular prism lateral area of a triangular pyramid legs length line line segment line segment geometry line segments line segments rays and lines linear pairs Lines lines and planes lines rays and angles lines rays and line segments lines rays line segments Logic lower base angles made easy major arcs Math Mean mean proportional means extremes theorem median median of a triangle median of a triangle definition geometry median of a triangle example problems median of a triangle formula median of a triangle problems median of a triangle properties Medians medians and altitudes medians and altitudes of triangles midpoint midpoint formula midpoint formula between two points midpoint formula geometry midpoint of a line segment midpoints midpoints and bisectors midpoints and segment bisectors midsegment of a triangle midsegment theorem midsegment theorem of a trapezoid midterm minor arc minor arcs minute hand missing angles missing diagrams missing sides multiplication multiplication and division properties of equality multiplication properties multiplication property of equality negation non collinear points non coplanar lines non coplanar points nonagons number of diagonals number of diagonals in a hexagon number of diagonals in a polygon oblique triangle obtuse acute and right angles obtuse angle obtuse triangle obtuse triangles octagon octagons opposite angles opposite sides organic chemistry tutor orthocenter orthocenter of a right triangle orthocenter of a triangle orthocenter of an obtuse triangle parallel and perpendicular lines parallel and perpendicular lines geometry parallel and perpendicular lines slope Parallel lines parallel lines and transversals parallelogram Parallelograms parallelograms geometry Patreon patreon channel patreon review patreon rewards patreon rewards tutorial patreon tutorial patreon tutorial video patreon video Pentagon pentagons Perimeter perimeter of a kite perimeter of a rectangle perimeter of a rhombus perimeter of irregular shapes perpendicular perpendicular bisector perpendicular bisector definition perpendicular bisector of a line segment perpendicular bisector of a segment perpendicular bisector of a triangle perpendicular bisector theorem perpendicular bisectors perpendicular bisectors and angle bisectors perpendicular lines perpendicular lines slope planes point point line distance formula points points lines and planes points lines and planes geometry Polygons polygons and quadrilaterals polygons geometry power theorems power theorems geometry power theorems of a circle practice practice problems pre-algebra prism prisms probability problems proofs proofs in geometry properties properties of isosceles trapezoids properties of kites properties of parallelograms properties of quadrilaterals properties of rectangles properties of rhombuses properties of trapezoids proportions proving a parallelogram is a rhombus proving a quadrilateral is a kite proving isosceles triangles proving kites proving parallel lines proving parallel lines geometry proving parallel lines proofs proving parallelograms proving quadrilaterals proving similar triangles pyramid Pyramids Pythagorean Theorem quadrilaterals radius rations and proportions Ratios ratios and proportions ratios and proportions geometry ratios and proportions word problems rays rays and line segments rays and lines rays lines and line segments Rectangle rectangles Rectangular Prism rectangular prism volume and surface area rectangular prisms reference triangle reference triangles reflexive property regents regular polygon regular polygons remote interior angles restrictions restrictions on x review rewards rhombus rhombuses right angle right angle congruence theorem right angle congruency right angle theorem right angle theorem proof right angles right triangle right triangle trigonometry right triangle trigonometry finding angles right triangle trigonometry finding sides right triangles sas sat sat algebra sat algebra and functions sat functions sat geometry sat geometry review sat hard math questions sat help SAT math sat math crash course sat math help sat math online course sat math overview sat math practice sat math prep sat math ratios sat math review sat math study guide sat math test sat math test problems sat math tips sat practice sat prep sat questions and answers sat test sat test prep scale factor scale map scalene triangle scalene triangles secant lines secant secant angle theorem secant secant angles secant secant power theorem secant tangent angles secant tangent power theorem secants sector of a circle segment segment addition segment bisector segments semicircle semicircles series shapes side side length side length of a square side lengths side splitter theorem sides similar figures similar figures and proportions similar trapezoids similar triangles similar triangles and indirect measurement similar triangles find missing side similar triangles geometry similar triangles proportions similar triangles solve for x Similarity sin sin cos tan sine sines skew skew lines skew lines geometry slant height slant height of a cone Slope slope of a median slope of an altitude slope of an altitude of a triangle Slope-Intercept Form sohcahtoa solve for x special quadrilaterals special right triangles Sphere Square square in circle square pyramid square pyramids squares SSS sss sas asa aas sss sas asa aas congruence Statements statements and reasons straight angles study guide substitution substitution property substitution property of congruence substitution property of equality subtraction subtraction property subtraction property of equality subtraction property of equality geometry sum of interior angles sum of interior angles of a polygon sum of the interior angles sum of the interior angles of a polygon supplementary angles supplementary angles examples surface area surface area of a cone surface area of a cube surface area of a cylinder surface area of a hexagonal prism surface area of a prism surface area of a pyramid surface area of a rectangular prism surface area of a sphere surface area of a square pyramid surface area of a triangular prism surface area of a triangular pyramid surface area volume tan tangent chord angles tangent circles tangent lines tangent lines and secant lines tangent tangent angle tangent tangent angle theorem tangent tangent angles tangent tangent theorem tangents tangents and secants of a circle theorem theorems transitive property transitive property geometry transitive property of congruence transitive property of equality transversals transversals and corresponding angles transversals and parallel lines transversals geometry trapezoid trapezoids triangle triangle angle bisector theorem triangle congruence triangle congruence proofs triangle congruence sss sas asa aas triangle congruence theorems triangle in circle triangle proportionality triangle proportionality theorem triangle similarity triangle similarity aa triangle similarity aa sss sas triangle similarity geometry triangle similarity postulates triangle similarity proofs triangles triangles classification triangles equilateral isosceles and scalene triangles introduction triangles right acute obtuse triangular prism triangular prism lateral area triangular prism surface area triangular prism volume triangular prism volume formula triangular prisms triangular pyramid Tricks trigonometric ratios trigonometric ratios in right triangles trigonometric ratios sin cos and tan Trigonometry trigonometry final exam review trigonometry problems tutorial tutorial video two column proofs two column proofs geometry two column proofs geometry angles two column proofs geometry triangles two tangent theorem two triangle trigonometry problems two triangles Union union and intersection upper base angles using sides vertex vertical angle theorem vertical angles vertical angles are congruent vertical angles theorem vertices video volume volume and surface area volume formula volume of a cone volume of a cube volume of a cylinder volume of a hexagonal prism volume of a pyramid volume of a rectangle volume of a rectangular prism volume of a sphere volume of a square pyramid volume of a triangular prism volume of a triangular pyramid walk around problem without height Word Problems writing linear equations x-intercept Y Intercept YouTube