• #### 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.
• #### 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.
• #### 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.
• #### Parallelogram Properties - Problem 2

##### Math›Geometry›Polygons
How to find the perimeter of a parallelogram when the sides are given in terms of a variable.
• #### Parallelogram Properties - Concept

##### Math›Geometry›Polygons
How to identify all of the special properties of parallelograms and use them to solve problems.
• #### Parallelogram Properties - Problem 3

##### Math›Geometry›Polygons
How to find the lengths of the diagonals in a parallelogram if they are given in terms of a variable.
• #### Parallelogram Properties - Problem 1

##### Math›Geometry›Polygons
How to solve for variables when given the angles of a parallelogram in terms of those variables.
• #### Constructing Altitudes - Problem 1

##### Math›Geometry›Constructions
How to construct an altitude in an acute triangle.
• #### Constructing Altitudes - Concept

##### Math›Geometry›Constructions
How to define an altitude and draw them on acute, right, and obtuse triangles.
• #### Constructing Altitudes - Problem 2

##### Math›Geometry›Constructions
How to construct an altitude in an obtuse triangle.
• #### Special Isosceles Triangle Properties - Concept

##### Math›Geometry›Triangles
How to identify a segment from the vertex angle in an isosceles triangle to the opposite side.