Areas of two circles are equal. Is it necessary that their circumferences are equal ? Why ?

Circumference of two circles are equal. Is it necessary that their areas be equal ? Why ?

Circumference of two circles are equal. Is it necessary that their areas be equal ? Why ?

The areas of two sectors of two different circles are equal. Is it necessary that their corresponding arc lengths are equal ? Why ?

The areas of two sectors of two different circles are equal. Is it necessary that their corresponding arc lengths are equal ? Why ?

The area of a rectangle is equal to the area of a circle with circumference equal to 220m. What is the length of the rectangle if its breadth is 50m.

The radii of two circles are 15 cm and 8 cm.If the area of a third circle is equal to the sum of the areas of the two circles, then what will be the radius of the third circle?

If circumferences of two circles are equal, then what is the ratio between their areas?

The radius of a circle whose circumference is equal to the sum of the circumferences of the two circles of diameters 36 cm and 20 cm is

The radius of a circle whose circumference is equal to the sum of the circumferences of the two circles of diameters 36 cm and 20 cm is