The sides of an equilateral triangle are increasing at the rate of 2 c – McqOptions

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1.	The sides of an equilateral triangle are increasing at the rate of 2 cm/sec. The rate at which the area increases, when the side is 10 cm is [Kerala (Engg.) 2002]
A.	\[\sqrt{3}\] sq. unit/sec
B.	10 sq. unit/sec
C.	\[10\sqrt{3}\] sq. unit/sec
D.	\[\frac{10}{\sqrt{3}}\] sq. unit/sec
Answer» D. \[\frac{10}{\sqrt{3}}\] sq. unit/sec

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