Question

Find the surface area of a cone with a radius of 4cm and a slant height of 7cm. Assume π has a value of 3.14

A. 50.3cm^2
B. 88.0cm^2
C. 138.2cm^2
D. 276.5cm^2

Answer 1

I used a calculator for this, and got the answer of C. 138.2cm^2

Answer 2

138.23cm^2

Explanation:

I took an assessment with the same question