Radius of a circle is decreased by 20%. Then find the area of circle (in percentage)

If the radius of a circle is decreased by 10% , then the area of the circle is decreased by

If the radius of a circle is increased by 8% ,then the area of the circle will be

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

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

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

If the radius of a circle is increased by 20% then by how much will its area be increased?