similar triangles89 videos
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Corresponding Parts of Similar Triangles
GeometrySimilarity
How to relate corresponding altitudes, medians and angle bisectors in similar triangles.
similar triangles altitude median angle bisector proportional -
Similar Triangles in Circles and Right Triangles
GeometrySimilarity
How to determine if two triangles in a circle are similar and how to prove that three similar triangles exist in a right triangle with an altitude.
similar inscribed angles intercepted arc right angle circle -
Similarity Shortcuts
GeometrySimilarity
How to determine if two triangles are similar using a shortcut.
similar triangles AA SAS SSS proportion congruence -
Similar Triangles
Pre-AlgebraIntroductory Geometry
Overview of similarity: congruent angles, proportional corresponding sides
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Similarity and Area Ratios
GeometrySimilarity
How to convert between length and area ratios of similar polygons
polygons similar area ratios -
Indirect Measurement
GeometrySimilarity
How to use similar triangles to measure the height of objects.
indirect measurement similar triangles measurement -
Properties of Similar Polygons
GeometrySimilarity
How to identify if two figures are similar.
similar figures corresponding angles congruence corresponding sides proportional -
Similarity and Volume Ratios
GeometrySimilarity
How to identify if two solids are similar and how to convert 1D ratios to surface area and volume ratios.
similarity volume ratios surface area -
Proportional Segments Between Parallel Lines
GeometrySimilarity
How to prove two triangles are similar using a line parallel to a base.
parallel lines triangles similar triangles proportion -
Types of Triangles
GeometryGeometry Building Blocks
How to classify a triangle based on its side lengths and angle measures.
equiangular equilateral isosceles right acute obtuse triangles -
Triangle Angle Sum
GeometryTriangles
How to apply the triangle angle sum theorem.
triangle angle sum theorem 180 degrees -
Pascal's Triangle
Algebra 2Polynomials
How to use Pascal's triangle.
zero product property factoring constant -
Pascal's Triangle
PrecalculusTopics in Discrete Math
How to use Pascal's triangle.
zero product property factoring constant -
Using Sine to Calculate the Area of a Triangle
GeometryBasic Trigonometry
How to calculate the area of any triangle using two sides and an included angle.
area of a triangle sine -
Using Sine to Calculate the Area of a Triangle
TrigonometryBasic Trigonometry
How to calculate the area of any triangle using two sides and an included angle.
area of a triangle sine -
Using Sine to Calculate the Area of a Triangle
PrecalculusBasic Trigonometry
How to calculate the area of any triangle using two sides and an included angle.
area of a triangle sine -
Special Isosceles Triangle Properties
GeometryTriangles
如何识别segm吗ent from the vertex angle in an isosceles triangle to the opposite side.
isosceles triangle angle bisector altitude median -
Triangle Midsegment Properties
GeometryPolygons
How to define a triangle midsegment and describe its special properties.
midsegment triangle parallel bases midpoint third side -
Iron Triangles
AP US GovernmentAP US Government Videos
How is public policy made? Who controls the bureaucracy?
Iron triangles bureaucracy