The sides of an equilateral triangle are increasing at the rate of 2 cm/s. The rate at which the area increases, when the side is 10 cm, is
A. √3 cm2/s
B. 10 cm2/s
C. 10√3 cm2/s
D. \(\frac{10}{\sqrt{3}}\) cm2/s
Answer:C
The sides of an equilateral triangle are increasing at the rate of 2 cm/s. The rate at which the area increases, when the side is 10 cm, is
A. √3 cm2/s B. 10 cm2/s C. 10√3 cm2/s D. \(\frac{10}{\sqrt{3}}\) cm2/s