Mathematics
The adjoining figure shows a rectangle and a semicircle. The perimeter of the shaded region is
70 cm
56 cm
78 cm
46 cm
Mensuration
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Answer
From figure,
Let length = 14 cm and breadth = 10 cm.
Diameter of semi-circle = 14 cm and radius = 7 cm.
Perimeter of shaded region = length + breadth + breadth + πr.
= 14 + 10 + 10 +
= 34 + 22 = 56 cm.
Hence, Option 2 is the correct option.
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