Area of ​​a circle is the sum of the area of ​​those two circles, whose radius are 5 cm and 7 cm, respectively.

The area of a circle is equal to the sum of the areas of the two circles, whose radii are 5 cm and 12 cm respectively. Find the radius of the circle.

Find the radius of a circle having area equal to the sum of the areas of two circles with radius 20 cm and 15 cm respectively.

What is the radius of a circle whose area is equal to the sum of the area of two circles whose radii are 20 cm and 21 cm .

The diameter of a circle whose area is equal to the sum of the areas of the two circles of radii 24 cm and 7 cm is

The diameter of a circle whose area is equal to the sum of the areas of the two circles of radii 24 cm and 7 cm is

The area of a circle is equal to the sum of the areas of two circles of radii 24 cm and 7 cm. The diameter of the new circle is

The radii of two circles are 5 cm and 12 cm. The area of a third circle is equal to the sum of the area of the two circles. The radius of the third circle is :

The diameter of a circle whose area is equal to the sum of the areas of the two circles of radii 40 cm and 9cm is

If the radius of a circle is 21 cm then area of the circle is