Question

What is the surface area of the right cone below?

Answer 1

HELP ASAP ( GIVEN AWAY MEDALS)

Answer 2

a = pi*r*s + + pi*r^2

s = slant height
r = radius

Answer 3

I GOT 141.3 IS THAT CORRECT

Answer 4

@blurbendy

Answer 5

i got 141.37 = 141.4

If you need to leave the answer in the exact form, then the answer is 36pi + 9pi

Answer 6

OK BUT 141 IS NOT ONE OF MY ANSWER CHOICES

Answer 7

what are your answer choices

Answer 8

@blurbendy

Answer 9

45pi

Answer 10

CAN YOU TELL ME HOW DID YOU GE T THAT?

Answer 11

36pi + 9pi

from what we had before:

pi*12*3 + 3^2 pi

Answer 12

= 45 pi

Answer 13

CAN YOU WRITE IT OUT FOR ME PLEASE?

Answer 14

our formula said a = pi*r*s + pi*r^2

r = 3
s = 12

pi*12*3 + pi*3^2

= 36pi + 9pi

= 45pi

Answer 15

OK THNAKS

Answer 16

yw