A circle of area 314 cm square is inscribed in a square . What is the perimeter of the square?
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Answer:MI
Area of circle=πr²
314. =3.14r²
r² =100
r =10cm
We know that in such situation when a circle is inscribed in a square then diameter of the circle is equal to the side of the square.
Here we know the radius so diameter if 2r=2•10
20cm
Hence,
Perimeter=4a
=4•20
=80cm
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