Question

A large cylinder-shaped cushion has a height of 1 foot and a diameter of 4 feet. How many square feet of fabric will be need to reupholster the entire cushion? Use 3.14 for pi.(1 point)
Responses

37.68 square feet
37.68 square feet

12.56 square feet
12.56 square feet

125.6 square feet
125.6 square feet

25.12 square feet

Answer 1

Surface area = 2(πr^2) + 2πrh. With r = 2 ft, h = 1 ft, π = 3.14:
2(3.14)(2^2) + 2(3.14)(2)(1) = 25.12 + 12.56 = 37.68 square feet.

Answer: 37.68 square feet.