Pilaf has a circular garden plot with an area of 125 square feet. To fence the area, how many feet of fencing does she need?
1 answer:
So, to find the find the amount of fencing required, or the circumference of the gardening, pot...
Area = pi * r^2
125 square feet = pi *r^2
125/ pi = r^2
39.79 = r^2
root square of 39.79 = r
6.31 = r
To find the circumference, the formula is: pi * D (or Pi * r * 2)
therefore,
C = pi * 6.31 *2
C = 39.65 feet
therefore, 39.65 feet of fencing is needed.
hope this helps
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<span>Here's one --> 1000÷100=10</span>
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I hope I helped you ^_^