The area of a ring is 22 `cm^(2)`. What is the difference of the square of the outer radius and the square of the inner radius?

The area of a square is thrice the area or a rectangle. If the area of the square is 225 cm and the length of the rectangle is 15 cm. what is the difference between the breadth of the rectangle. and the side of the square ?

The area of a ring is 528cm^(2) and the radius of the outer circle is 17 cm . Find : (i) the radius of the smaller circle . (ii) the width of the ring.

The area of a circle (A) varies directly as the square of its radius. The area of the circle of radius 7 cm is 154 cm^(2) . What is the area of the circle of radius 35 cm?

If the difference between the outer radius and the inner radius of a ring is 14 cm, then what is the difference between is outer circumference and innner circumference?

If the radius of a circle with area 154cm^(2) is equal to the side of a square. Then, the area of the square is

The area of a square is equal to the area of a circle. What is the ratio between the side of the square and the radius of the circle?

What is the area of the square that can be inscribed in a circle of radius 12 cm?

What is the area of the largest square that can be inscribed in a circle of radius 12 cm. ?