Find the area of a circle whose radius is 2.1 m.

Find the area of circle whose radius is 25 m

Find the area of a circle whose radius is 7cm (ii) 2.1m7km

Find the area of a circle whose radius is (a)7 cm (b) 2.1 m (c)7 km

Find the area of a circle whose radius is : (i) 2.8 m (ii) 8.4 m

Find the area of a circle whose radius is Q(i) 21 cm. (ii)3.5m

Find the area of a circle of radius 4.2 cm

The radius of two circles are in the ratio 3 : 4 and sum of their areas is equal to the area of a circle whose radius is 35 cm. Find the radius of these two circles.

The radius of two circles are in the ratio 3 : 4 and sum of their areas is equal to the area of a circle whose radius is 35 cm. Find the ratio of the areas.

The radius of two circles are in the ratio 3 : 4 and sum of their areas is equal to the area of a circle whose radius is 35 cm. Find the ratio of the circumference.

The radius of two circles are in the ratio 3 : 4 and sum of their areas is equal to the area of a circle whose radius is 35 cm. Find the ratio of the diameters.