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There are two circles of different radii. The are of a square is 784 sq cm and its side is twice the radius of the larger circle. The radius of the larger circle is seven - third that of the smaller c

A circle has its centre at O . A tangent drawn from a point P , which is situated outside the circle , touches the circle at A. If PA = 4 cm & PO=5 cm, then the length of the radius of the circle is (

A stone of mass 1 kg is tied to the end of a string 1 m long. It is whirled in a vertical circle. The velocity of the stone at the bottom of the circle is just sufficient to take it to the top of circ

The diameter of a circle is 105 cm less than the circumference what is the diameter of the circle

The area of a circle is 24.64Sq.m. the circumference of circle is

The diameter of a circle is 7.7 cm. What is the circumference of the circle

If area of circle is 112m² then circumference of circle is