The radius of a circular plate is increasing at the rate of 0.01 cm/s when the radius is 12 cm. Then the rate at which the area (in `cm^(2)//s`) increases is -

The radius of a circular plate is increasing at the rate of 0.01 cm/sec when the radius is 12 cm. Then the rate at which the area increases is

The radius of a circular plate is increasing at the rate of 0.01cm/sec when the radius is 12 cm. Then the rate at which the area increases is

The radius of a circular plate is increasing at the rate of 0.01 cm/sec. The rate of increase of its area when the radius is 12 m

The radius of a circle is increasing at the rate of 0.1 cm/s. When the radius of the circle is 5 cm, the rate of change of its area, is :a) -pi" "cm^(2)//s b) 10pi" "cm^(2)//s c) 0.1pi" "cm^(2)//s d) pi" "cm^(2)//s

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-

The radius of a circular plate increases at the rate of 0.002 cm/s.. How fast is the area changing when radius is 14 cm?

The radius of a circular soap bubble is increasing at the rate of 0.2 cm/s. Find the rate of change of its: Volume when the radius is 4 cm.