Question

Find the area of the base B of the solid.

7 in

Volume= 84 π in. 2

Answer 1

Answer:

12

Step-by-step explanation:

v=$\pi$r²h

84$\pi$=

84$\pi$÷7

12=r²

area of a circle is $\pi$r²

so B is 12$\pi$in²