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The sides of an equilateral triangle are...

The sides of an equilateral triangle are increasing at the rate of `2 cm//s `., then the rate at which the area (in `cm^(2)//s`) increases when the side is 10 cm , is-

A

`sqrt(3)`

B

`10 sqrt(3)`

C

10

D

`10 sqrt(2)`

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The correct Answer is:
B
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CHHAYA PUBLICATION-MCQ ZONE 3 -Question Paper 4
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  17. Air is being pumped into a spherical balloon at the rate of 30 cm^(3)/...

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  18. If the curves xy = a and x = y^(2) intersect at right angles, then-

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  20. An edge of a variable cube is increasing at the rate of 2 cm//s. When ...

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