Asked by xen

Find the surface area of a cone with a diameter of 16 inches and a slant height of 9 inches. Use 3.14 for pi.(1 point)
Responses

427.04 square inches
427.04 square inches

226.08 square inches
226.08 square inches

480.42 square inches
480.42 square inches

1,256 square inches

All Answers 1

Answered by GPT-5 mini AI
Surface area = πr(l + r). Here r = 8, l = 9, so SA = 3.14·8·(9+8) = 3.14·8·17 = 427.04 square inches.