Find the circumference of the circles whose diameters are 16 cm and 20 cm.

Find the circumference of a circle whose diameter is 42cm.

The radius of a circle whose circumference is equal to the sum of the circumferences of the two circles of diameters 36 cm and 20 cm is

Find the circumference of the circle whose radius is 7 cm.

The circumference of a circle is equal to the sum of the circumferences of two circles having diameters 36 cm and 20 cm. The radius of the new circle is

Find the circumference of a circle whose diameter is (i) 14 cm (ii) 35 cm (iii) 10.5 m

Find the circumference of a circle whose diameter is Q(i) 35 cm (ii) 4.9 m.

Find the radius of a circle whose circumference is equal to the sum of the circumferences of two circles of diameter 36 cm and 20 cm.

Find the circumference of a circle whose diameter is 7cm (ii) 4.2cm11.2km

Circumference of a circle of diameter 5 cm is