• #### Isosceles Triangles - Problem 1

##### Math›Geometry›Triangles
How to solve for the side length and base angle measures of an isosceles triangle.
• #### Isosceles Triangles - Problem 2

##### Math›Geometry›Triangles
How to solve for the measure of the vertex angle of an isosceles triangle given an exterior angle.
• #### Isosceles Triangles - Problem 3

##### Math›Geometry›Triangles
How to solve for a variable used to measure the angles of an isosceles triangle.
• #### Trapezoid Properties - Problem 2

##### Math›Geometry›Polygons
How to find all the angles in an isosceles trapezoid, given one angle.
• #### Trapezoid Properties - Problem 1

##### Math›Geometry›Polygons
How to find the measure of all of the angles in an isosceles trapezoid, given one of the upper angles.
• #### Isosceles Triangles - Concept

##### Math›Geometry›Triangles
How to define isosceles triangles, their components and how to determine their properties.
• #### Trapezoid Properties - Concept

##### Math›Geometry›Polygons
How to identify a trapezoid and its special properties.
• #### Trapezoid Properties - Problem 3

##### Math›Geometry›Polygons
How to find the length of a side in an isosceles trapezoid given its side lengths in terms of variables and its perimeter.
• #### Area of Trapezoids - Problem 3

##### Math›Geometry›Area
How to find the area of a trapezoid where the base lengths, one side, and two angles are given.
• #### Trigonometric Ratios: Sine - Problem 2

##### Math›Trigonometry›Basic Trigonometry
How to find the length of a base in an isosceles triangle given the vertex angle and a leg length.
• #### Trigonometric Ratios: Sine - Problem 2

##### Math›Precalculus›Basic Trigonometry
How to find the length of a base in an isosceles triangle given the vertex angle and a leg length.
• #### Trigonometric Ratios: Sine - Problem 2

##### Math›Geometry›Basic Trigonometry
How to find the length of a base in an isosceles triangle given the vertex angle and a leg length.
• #### Trapezoid Midsegment Properties - Problem 1

##### Math›Geometry›Polygons
How to find the length of a trapezoid midsegment and the angles created by the midsegment.
• #### Triangle Midsegment Properties - Problem 2

##### Math›Geometry›Polygons
How to solve for angles in a triangle created by a midsegment.