Question

John has to paint the entire cone for a school project. What is the surface area of the cone?

Use 3.14 for π.






Question 14 options:


62.8 sq. in.



125..6 sq. in.



266.9 sq. in.



690.8 sq. in.

Answer 1

266.9 square inches

Explanation:

Answer 2

266.9 sq. in

Explanation:

r=5

l=12

SA=π
`r^(2)`+πrl

3.14×
`5^(2)`+3.14×5×12

3.14×25+3.14×60

78.5+188.4

266.9 sq in