3. A square of side 4 cm is inscribed in a circle as shown in the figure
Find the area of the shaded portion. (Take Π= 3.14, √2=1.41)
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Step-by-step explanation:
diagonal of square =√2 x side
=1.41x 4
=5.64cm
Now,
Radius=5.64/2
=2.82cm
Area=πr^2
= 3.14x2.82x2.82
=24.9705cm^2
Then,
Area of square = 4x4
=16cm^2
area of shaded portion = 24.9705 - 16
=8.9705 cm^2
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