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OpenStudy (anonymous):
Kelsey has a circular flowerbed that is 5 meters in diameter and has a circular sidewalk around it 1 meter wide. Find the area in square meters.
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OpenStudy (anonymous):
So, together they would have a diameter of 6 meters
OpenStudy (anonymous):
area of a circle = (pi) r^2
OpenStudy (anonymous):
If diameter = 6, do you know what radius equals?
OpenStudy (anonymous):
O.k. so the radius is half the diameter therefore it's 3 meters?
OpenStudy (anonymous):
Yes, that's right. So put that into the formula for area of a circle
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OpenStudy (anonymous):
don't know if it's right,but I got 28.27433..
OpenStudy (anonymous):
It would be 9pi, so that should be right
OpenStudy (anonymous):
how did you get 9 pi?
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