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The side of an equilateral triangle incr...

The side of an equilateral triangle increases at the uniform rate of 0.05 cm/sec. The rate of increase in the area of the triangle when the side is 20 cm is

A

3 sq.cm/sec

B

`sqrt(3)//2` sq.cm/sec

C

1.2 sq.cm/sec

D

`4pi` sq.cm/sec

Text Solution

Verified by Experts

The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-APPLICATIONS OF DIFFERENTIATION-EXERCISE 1C (RATE OF CHANGE)
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