• #### Area of Trapezoids - Problem 2

##### Math›Geometry›Area
How to find the area of a trapezoid given the lengths of the four sides and the height of the trapezoid.
• #### Area of Trapezoids - Concept

##### Math›Geometry›Area
How to derive the area of a trapezoid formula using the area of a rectangle.
• #### 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.
• #### Area of Trapezoids - Problem 1

##### Math›Geometry›Area
How to find the length of a base in a triangle where the area, other base, and height are known.
• #### Solving Formulas - Problem 1

##### Math›Geometry›Area
How to solve for one of the bases of a trapezoid in the trapezoid area formula.
• #### Solving Formulas - Problem 2

##### Math›Geometry›Area
How to solve the area of a sector formula for the radius.
• #### Solving Formulas - Problem 3

##### Math›Geometry›Area
How to solve the area of a regular polygon formula for the side length.
• #### Solving Formulas - Concept

##### Math›Geometry›Area
How to strategize about solving formulas for variables; how to solve the area of a rectangle formula for base and height; how to solve the area of a triangle formula for base and for height.
• #### Volume of Prisms - Problem 1

##### Math›Geometry›Volume
How to calculate the volume of a trapezoidal prism.
• #### Volume of Prisms - Problem 2

##### Math›Geometry›Volume
How to find the height of a triangular prism given the volume.
• #### Volume of Prisms - Concept

##### Math›Geometry›Volume
How to find the volume of any prism, right or oblique using a general formula.
• #### Volume of Prisms - Problem 3

##### Math›Geometry›Volume
How to find the volume of an oblique square prism given a side and the height of the prism.
• #### Volume of Pyramids - Problem 4

##### Math›Geometry›Volume
How to find the base of a trapezoid in a pyramid, given the volume.