a cricle is inscribed in a square whose each side is 42cm.find the area of the circular region
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A circle is inscribed by the square
Therefore, d of the circle = 42 cm
Therefore, r of the circle = 21 cm
Area of circle= pi r^2
= 22/7*21*21
= 1386 cm cube
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Please
a garden is 200m long and 160m broad.in its middle there is a circular tank of radius 28m. find the cost of covering the remaining portion of the with grass at the rate of 50 paise per sq metre.
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Answer
Diameter=42
Radius=21
Area of circle=22/7.21.21
=22×3×21
=1386
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