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Question

The side of a square is 2 cm Semicircles are constructed on two sides of the square then the area of the whole figure is

A
(4+π)cm2
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B
(4+4π)cm2
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C
4πcm2
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D
8πcm2
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Solution

The correct option is A (4+π)cm2
The side of square is 2 cm
Then area of square =(2)2=4cm2
The Semicircle constructed on two side diameter 2 cm then radius =1 cm
Then area of one semicircle =πr22=π(1)22=π2
Then area of two semicircle=2×π2=π
So total area of whole figure=(4+π)cm2

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