Math Mammoth
Math Mammoth: Using the Pythagorean Theorem 4: Perimeter of a Trapezoid
This video demonstrates how to find the side lengths and the perimeter for a trapezoid. [3:19]
Sophia Learning
Sophia: Area of a Trapezoid
This video lesson demonstrates how to solve for the area of a trapezoid. The tutorial includes detailed examples. Students can check their understanding with an assessment.
Khan Academy
Khan Academy: Area of Trapezoids
Area of a trapezoid is found with the formula, A=(a+b)/2 x h. Learn how to use the formula to find area of trapezoids.
Sophia Learning
Sophia: Trapezoid Height and Base: Lesson 3
This lesson will demonstrate how to solve for an unknown height or base of a trapezoid when given the area. It is 3 of 5 in the series titled "Trapezoid Height and Base."
Sophia Learning
Sophia: Trapezoid Height and Base: Lesson 5
This lesson will demonstrate how to solve for an unknown height or base of a trapezoid when given the area. It is 5 of 5 in the series titled "Trapezoid Height and Base."