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The sides of a square area is increasing...

The sides of a square area is increasing at the rate of 0.5 cm/sec. If the side of a square is 10 cm long, then the rate of increase of its perimeter is

A

2 cm/sec

B

4 cm/sec

C

3 cm/sec

D

5 cm/sec

Text Solution

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The correct Answer is:
A
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