Find the lateral area of a conical grain storage tank that has a height of 30 meters, a diameter of 20 meters, and a slant height of 32 meters. Round the answer to the nearest square meter. a. 3,267 m2 b. 1,319 m2 c. 2,325 m2 d. 1,005 m2

Question

Mathematics

Harold Huynh

5 July, 23:46

Find the lateral area of a conical grain storage tank that has a height of 30 meters, a diameter of 20 meters, and a slant height of 32 meters. Round the answer to the nearest square meter. a. 3,267 m2 b. 1,319 m2 c. 2,325 m2 d. 1,005 m2

+4

Answers (1)

Know the Answer?

Sarai · Answer 1

Think of the lateral area as a triangle with height of 32, and a base the same as the circumference of the cone at its base. My calculation for that is 20 pi. So the area of the triangle will be

A = bh/2 = 20 pi*32/2=320 pi

approx 1005