Question

Find the total surface area of this cone

Answer 1

S.A. = 1,017.36

Explanation:

S.A. =
`\pi r^(2) + \pi rl`

12 x 12 x 3.14 = 452.16

3.14 x 12 x 15 = 565.2

565.2 + 452.16 = 1,017.36