SOLUTION: find the area of each circle to the nearest hundred. use 22/7 for pi. A=? r=7ft.

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Question 431221: find the area of each circle to the nearest hundred. use 22/7 for pi. A=?
r=7ft.
Answer by algebrahouse.com(1659) About Me  (Show Source):
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"find the area of each circle to the nearest hundred. use 22/7 for pi. A=?
r = 7ft"

A = πr^2
A = 22/7(7^2) {substituted 7 in for r, and 22/7 in for π}
= 22/7(49) {squared 7}
= 154 ft^2 {cancelled and multiplied what's left}
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