Question

Christopher's back yard is in the shape of a trapezoid. The bases of his back yard are 30 and 40 feet long. The area of his back yard is 525 square feet. Write and solve an equation to find the height of Christopher's back yard.

Answer 1

15 feet

Explanation:

525 = ½(30+40)h

525 = 35h

h = 525/35

h = 15 feet