Remember the area of a circle?
pi * r^2?
If radius is 10000, pi = 3.14, then we have
10000^2*3.14 = 314,000,000 feet^2
three hundred fourteen million feet squared.
answer A.
A particular model of walkie-talkie can broadcast in a circular area. The radius of the broadcast area is 10,000 feet. Find the area of this circle to the nearest square foot. Use 3.14 for pi.
A. 314,000,000 ft^2
B. 100,000,000 ft^2
C. 1,256,000,000 ft^2
D. 62,800 ft^2
1 answer