SOLUTION: Farmer McDonald's silo has an inside circumference of 24 pi feet. Which of the following is closest to the area of the silo's floor? a) 1,800 sq. ft. b) 450 sq. ft. c) 150 sq. f

Algebra ->  Equations -> SOLUTION: Farmer McDonald's silo has an inside circumference of 24 pi feet. Which of the following is closest to the area of the silo's floor? a) 1,800 sq. ft. b) 450 sq. ft. c) 150 sq. f      Log On


   



Question 893286: Farmer McDonald's silo has an inside circumference of 24 pi feet. Which of the following is closest to the area of the silo's floor?
a) 1,800 sq. ft.
b) 450 sq. ft.
c) 150 sq. ft.
d) 75 sq. ft.
e) 40 sq. ft.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
For a circle,
C=2pi%2AR
and
A=pi%2AR%5E2
So,
24pi=2pi%2AR
R=12
and
A=144%2Api
or approximately,
A=452 ft%5E2