• #### Corresponding Parts of Similar Triangles - Problem 3

##### Math›Geometry›Similarity
How to find the length of a median using similar triangles.
• #### Corresponding Parts of Similar Triangles - Problem 1

##### Math›Geometry›Similarity
How to find the length of an angle bisector using similar triangles.
• #### Properties of Similar Polygons - Problem 2

##### Math›Geometry›Similarity
How to find missing sides of similar triangles that share a side.
• #### Corresponding Parts of Similar Triangles - Problem 2

##### Math›Geometry›Similarity
How to find the length of an altitude using similar triangles.
• #### Corresponding Parts of Similar Triangles - Concept

##### Math›Geometry›Similarity
How to relate corresponding altitudes, medians and angle bisectors in similar triangles.
• #### Properties of Similar Polygons - Problem 1

##### Math›Geometry›Similarity
How to identify if two quadrilaterals are similar, given three angles and four sides.
• #### Angle Bisectors and Opposite Side Ratios - Concept

##### Math›Geometry›Similarity
How to relate the sides of an angle bisected and the lengths of the opposite side.
• #### Proportional Segments Between Parallel Lines - Concept

##### Math›Geometry›Similarity
How to prove two triangles are similar using a line parallel to a base.
• #### Proportional Segments Between Parallel Lines - Problem 1

##### Math›Geometry›Similarity
How to find a missing length in a triangle cut by a line parallel to a base.
• #### Similar Triangles in Circles and Right Triangles - Problem 1

##### Math›Geometry›Similarity
How to find missing side lengths of triangles in a circle.
• #### Proportional Segments Between Parallel Lines - Problem 2

##### Math›Geometry›Similarity
How to find missing lengths created by two parallel lines passing through a triangle.
• #### Angle Bisectors and Opposite Side Ratios - Problem 1

##### Math›Geometry›Similarity
How to find a missing length created by a median in a triangle using a proportion.
• #### Similar Triangles in Circles and Right Triangles - Problem 2

##### Math›Geometry›Similarity
How to find missing side lengths in a right triangle with an altitude drawn from the right angle.
• #### Angle Bisectors and Opposite Side Ratios - Problem 2

##### Math›Geometry›Similarity
How to find a missing length, given the length of the opposite side in a triangle.
• #### Similar Triangles in Circles and Right Triangles - Concept

##### Math›Geometry›Similarity
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 Triangles - Concept

##### Math›Pre-Algebra›Introductory Geometry
Overview of similarity: congruent angles, proportional corresponding sides
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