The area of a circle is increased by 22 cm' when its radius is increased by 1 cm. The original radius of the circle is

The area of a circle is increased by 22 c m^2 when its radius is increased by 1 cm. The original radius of the circle is (a)6 cm (b) 3 cm (c)4 cm (d) 3.5 cm

The area of a circle is increased by 22cm^(2) when its radius is increased by 1cm. The original radius of the circle is 6cm(b)3cm4cm(d)3.5cm

The area of a circle is increased by 22 cm^2 its radius is increased by 1 cm. The original radius of the circle is

If the radius of a circle is increased by 6%, then its area will increase by

If the radius of a circle is increased by 50%, its area is increased by :

The radius of a circle is increased so that its circumference increases by 15%. The area of the circle will increase by

The radius of a circle is so increased that its circumference is increased by 5%. How does the area of the circle increase?

If the radius of a sphere is increased by 2 cm. Its surface area increased by 352 cm^(2) . The radius of sphere before change is : (use pi = (22)/(7) )

If the radius of a sphere is increased by 2cm.its surface area increased by 352 cm^(2) .The radius of sphere before change is : (use pi(22)/(7) )