The area of a circle is `38.5cm^(2)` The circumference of the circle is

The area of a circle is 1386 cm^2 . Find the circumference of the circle.

The area of a circle is 49pi cm^2 .Its circumference is

The area of a circle is 98.56cm^(2) . Find its circumference.

The diameter of a circle is 3.5 cms. What is the circumference of the circle ?

The area enclosed by the circumference of two concentric circles is 423.5 cm^(2) . If the circumference of outer circle is 132 cm. Calculate the radius of the inner circle

The area enclosed by the circumference of two concentric circles is 423.5 cm^(2) . If the circumference of outer circle is 132 cm. Calculate the radius of the inner circle

The area of the region between two concetric circles is 346.5cm^2 .If the circumference of the inner circle is 88 cm.,find the radius of the outer circle.

The diameter of a circle is 3.5 cm. What is the circumference of the circle? (a) 11 cm (b) 22 cm (c) 38.5 cm (d) 45.2 cm (e) None of these

The area of a circle is 616 cm^(2) . Find its circumference