A circle has its center at the center of a square with 10-inch sides. Find the area of the square not covered by the circle. Round the answer to the nearest tenth.
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OpenStudy (unklerhaukus):
what is the radius of the circle?
OpenStudy (unklerhaukus):
is the circle as wide as the square?
OpenStudy (anonymous):
@UnkleRhaukus it looks like this
OpenStudy (anonymous):
|dw:1437481123943:dw|
OpenStudy (unklerhaukus):
|dw:1437481143478:dw|
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OpenStudy (anonymous):
yea
OpenStudy (anonymous):
yeah srry i misread question
OpenStudy (unklerhaukus):
so , find the area of the square, and the area of the circle
the area of the square not covered by the circle will be the difference of these areas
OpenStudy (anonymous):
so area for a circle is pi r^2
OpenStudy (anonymous):
we know the radius is 5 because the diameter is ten
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OpenStudy (anonymous):
so 3.14*5*5 what is that @futurelegend
OpenStudy (anonymous):
then find 10*10 1for the square l*w
OpenStudy (unklerhaukus):
The area of a square of side length \(s\),
is \[A_\square = s^2\]
The area of a circle of radius \(r\),
is \[A_\circ =\pi r^2\]