Question

What is the approximate surface area of the cone shown here?

cone with a slant height measuring fourteen millimeters and a base with a radius measuring 5 millimeters.

one hundred sixty-five point zero square millimeters

two hundred fifty-one point two square millimeters

two hundred ninety-eight point three square millimeters

five hundred thirty-three point three square millimeters

Answer 1

\(\bf \textit{Total Surface of a Cone}=\pi r(\textit{slant height}+r)\)
r = radius

for the translation, see image below