find the area of the shaded part
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Well, the figure consists of a rectangle and a semicircle.
The rectangle in the figure has length 8 cm and breadth 4 cm. So the area of the rectangle is 8 × 4 = 32 cm².
Given, the measure from the length of the rectangle and the curved most part of the semicircle is 6 cm and the breadth of the rectangle is 4 cm. The difference between these two gives the radius of the semicircle, i.e., the radius is, r = 6 - 4 = 2 cm.
So the area of the semicircle is, π r² / 2 = 2 π cm².
Hence the total area of the figure is (32 + 2π) cm².
On taking π = 3.14, we get area = 38.28 cm².
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