Question

A section of a deck is shaped like a trapezoid. For this section, the length of one base is 57 feet, and the length of the other base is 52 feet. The height is 18 feet. What is the area of this section of the deck?

Answer 1

• Area of section is 981 square feet

Explanation:

Given trapezoid with:

• Bases 57 feet and 52 feet;
• Height 18 feet.

To find

• Area of trapezoid

Solution

Equation of area:

• A = (b₁ + b₂)h/2

Substitute values and calculate:

• A = (57 + 52)*18/2 = 109*9 = 981 ft²