The area of a circle is given by `A= pi r^(2)`, where r is the radius. Calculate the rate of increase of area w.r.t radius.

The area of a circle is given by A=pir^(2) , where r is the radius . Calculate the rate of increases of area w.r.t. radius.

The area of a circle is given by A=pir^(2) , where r is the radius . Calculate the rate of increases of area w.r.t. radius.

The area of a circle is given by A= pi r^2 , where r is the radius. Calculate the rate of increase of area with respect to radius.

The radius of a circle increases at a rate of 0.2 cm/s. Calculate the rate of the increase of the area, when the radius is 5 cm.

Area of circle with radius r = …….. cm^(2)

The rate of change of surface area of a sphere w.r.t. radius is ………..

Rate of increase in surface area of a sphere w.r.t radius is ……….

A rrarr2 then area of circle with radius r = ….. .