Question

Can someone help with thiss?

Answer 1

Explanation:

You are given the formula for surface area of the cone

r = 7 cm l = 13 cm

Sooooo ...just plug the numbers into the formula :

SA = pi (7^2) + pi (13)(7) =

= 22/7 * 49 + 22/7 * 13 * 7 = 440 cm^2