A wire is looped in the form of a circle of radius 28 cm. It is re-bent into a square form. Determine the length of the side of the square.

If the perimeter of a square is 28, what is the length of the diagonal of the square?

A wire can be bent in the form of a circle of radius 56 cm. If it is bent in the form of a square, then its area will be (a) 3520 cm2 (b) 6400 cm2 (c) 7744 cm2 (d) 8800 cm2

A wire is bent in to the form of a square of side 27.5 cm . It is straightened and then bent into the shape of a circle What is the radius of the circle so formed ?

A wire is bent in the form of a square of side 16.5 cm . It is straightened and then bent into a circle. What is the radius of the circle so formed ? (Take pi=(22)/(7))

A piece of wire is bent in the shape of an equilateral triangle of each side 6.6 cm. It is re-bent to form a circular ring. What is the diameter of the ring?

The force between the infinite wire and the square loop is

A wire in the form of a circular loop of radius 10 cm lies in a plane normal to a magnetic field of 100 T . If this wire is pulled to take a square shape in the same plane in 0.1 s , find the average induced emf in the loop.

A piece of wire in the form of a rectangle 8.9 cm long and 5.4 cm broad is reshaped and bent into the form of a circle. Find the radius of the circle.

The length of side of a square is 'a' metre. A second square is formed by joining the middle points of this square. Then a third square is formed by joining the middle points of the sides of the second square and so on. Then, the sum of the areas of squares which carried upto infinity, is

A square is inscribed in a circle of radius 7 cm. Find the area of the square.