• #### Corresponding Angles - Concept

##### Math›Geometry›Reasoning, Diagonals, Angles and Parallel Lines
How to define corresponding angles and their special properties.
• #### Corresponding Angles - Problem 2

##### Math›Geometry›Reasoning, Diagonals, Angles and Parallel Lines
How to find a missing angle using corresponding angles.
• #### Corresponding Parts of Similar Triangles - Concept

##### Math›Geometry›Similarity
How to relate corresponding altitudes, medians and angle bisectors in similar triangles.
• #### Corresponding Angles - Problem 1

##### Math›Geometry›Reasoning, Diagonals, Angles and Parallel Lines
How to identify corresponding angles created by two parallel lines and a transversal.
• #### Corresponding Angles - Problem 3

##### Math›Geometry›Reasoning, Diagonals, Angles and Parallel Lines
How to use corresponding angles to find missing angle measures involving two transversals.
• #### 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 2

##### Math›Geometry›Similarity
How to find the length of an altitude 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.
• #### CPCTC - Concept

##### Math›Geometry›Triangles
How to use the principle that corresponding parts of congruent triangles are congruent, or CPCTC.
• #### Constructing Parallel Lines - Problem 1

##### Math›Geometry›Constructions
How to construct parallel lines using corresponding angles.
• #### Properties of Similar Polygons - Concept

##### Math›Geometry›Similarity
How to identify if two figures are similar.
• #### Properties of Similar Polygons - Problem 2

##### Math›Geometry›Similarity
How to find missing sides of similar triangles that share a side.
• #### Properties of Similar Polygons - Problem 1

##### Math›Geometry›Similarity
How to identify if two quadrilaterals are similar, given three angles and four sides.
• #### Similar Triangles - Concept

##### Math›Pre-Algebra›Introductory Geometry
Overview of similarity: congruent angles, proportional corresponding sides
Tags:
• #### Polygons - Problem 2

##### Math›Geometry›Geometry Building Blocks
How to identify corresponding sides and angles of congruent polygons.
• #### Constructing Parallel Lines - Concept

##### Math›Geometry›Constructions
How to construct parallel lines using three different methods.
• #### Similarity and Area Ratios - Problem 1

##### Math›Geometry›Similarity
How to find the ratio of corresponding lengths given the ratio of areas between similar polygons.
• #### Constructing Parallel Lines - Problem 2

##### Math›Geometry›Constructions
How to construct parallel lines using alternate interior angles.
• #### Constructing Parallel Lines - Problem 3

##### Math›Geometry›Constructions
How to construct parallel lines using alternate exterior angles.
• #### Converse of Parallel Lines Theorem - Problem 2

##### Math›Geometry›Reasoning, Diagonals, Angles and Parallel Lines
How to solve for a variable of corresponding angles in order to make lines parallel.