The radius of a circle is reduced by 20%. What will be the percentage change in its area? , Cla...

If the radius of sphere is reduced by 10%, then what will be the percentage change in its total surface area?

If the radius of a circle is decreased by 10%, then what will be the percentage decrease in the area of circle?

The radius of a circle is increased by 10 % . Find the percentage increase in its area.

If the radius of a circle is increased by 6 % , find the percentage increase in its area

If the radius of a circle is decreased by 50%, find the percentage decrease in its area.

If the radius of sphere is reduced by 20%, then what will be the percentage decrease in its total surface area?

The radius of a circle is increased by 2cm from 5 cm to 7 cm . What is the percentage change in area of the circle ?