In the following figure, PO is the diameter ofthe circle with radius 5 cm. If AT is the tangentand equal to the radius of the circle, then find thelength of AR.

In the following figure,PQ is the diameter of the circle with radius 5 cm. if AT is the tangent and equal to the radius of the circle, then find the lenth of AR.

Find the area of a circle with radius 3.5 cm.

What is the diameter of the circle having 3 cm radius?

Find the area of a circle of radius 5.6 cm.

Find the circumference of the circle with a radius of 5 cm.

The circumference of the circle is 2 cm more than to the perimeter of the rectangle. The length of the rectangle is equal to the diameter of the circle and the breadth of the rectangle is equal to the radius of the circle. Then find the radius of the circle.

The diameter of a circle is 14 cm, find its radius.