Find the surface area of the cone. leave your answer in terms of ar.
a. 70% ?
b. 397 cm?
c. 1197 cm?
d. 1297 cm
answer

I belive the answer is B. 397 cm

  the correct choice is marked

step-by-step explanation:

the first two graphs show multiple turning points. the last graphs matches the description in every detail.

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length