Question

What is the surface area of the cone?

A. 224π cm2
B. 273π cm2
C. 175π cm2
D. 147π cm2

Answer 1

The formula is \[\frac{ 1 }{ 3 } \pi r ^{2}h\]

Answer 2

Yes, I know. But, there's no height ..

Answer 3

alright my mistake, the formula is \[\pi rs + \pi r ^{2}\]

Answer 4

Find the height by using the pythagorean theorum

Answer 5

\[a^{2}+b ^{2}=c ^{2}\]

Answer 6

So I will do 24^2+7^2=? When I get the answer, what do I do?