Question

Use the image to answer the question.

An illustration shows a horizontal rectangle of height 4 inches with a circle of radius 8 inches attached to its top left and a circle of radius 8 inches attached to its bottom right.

Find the surface area of the net diagram of the right circular cylinder. Use 3.14
for π
.

(1 point)
inches2

Answer 1

Surface area = 2πr(r + h). With r = 8 in, h = 4 in, π = 3.14:

Surface area = 2(3.14)(8)(8 + 4) = 2(3.14)(8)(12) = 602.88 in^2.