If the circumference of a circle increase from `4pi` to `8pi` , then find the percentage increase in the area .

If the circumference of a circle increases from 4pi to 8pi , then find the percentage increase in the area of the circle.

If the circumfrence of a circle increasses from 4pi to 8pi , then find the percentage increase in the area of the circle.

If the circumference of a circle increases from 4pi to 8pi what change occurs in its area?

If the circumference of a circle increases from 2 pi" to 4 pi then its area ......the original area :

If the circumference of a circle increases form 4 pi to 8 pi, what change occurs in its area? (a) It is halved.(b) It doubles.(c) It triples.(d) It quadruples.

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

If the circumference of a circle increases from 2prod to 4prod then its area _____ the original area