SOLUTION: what happen to the area of a circle when the radius is doubled? tripled?

Algebra.Com
Question 774237: what happen to the area of a circle when the radius is doubled? tripled?
Answer by oscargut(2103)   (Show Source): You can put this solution on YOUR website!
When the radius is doubled area is 4times the original area
When the radius is tripled area is 9times the original area


I can help you with more questions at: mthman@gmail.com
Thanks

RELATED QUESTIONS

What would happen to the density of an object is the: A. mass were tripled B.... (answered by tutor_paul)
what is the total surface area of a cube when it's edge is doubled,tripled &... (answered by psbhowmick)
what will happen to the volume of a cube if its side 12cm is... (answered by mananth)
What will happen to the volume of a cube if its side 12cm is... (answered by nyc_function)
The formula A =3.14 r2 is used to find the area of a circle. If the radius is tripled, by (answered by stanbon)
If A x B = 100, what will happen to the value of A when the value of B is... (answered by JBarnum)
if A = l squared,what will happen to the value of A when the value of l is... (answered by Alan3354)
If a radius of a circle is tripled, then the area... (answered by checkley71)
WHAT HAPPENS TO THE AREA WHEN THE LENGTH OF A SIDE OF A SQUARE IS DOUBLED?.. WHAT... (answered by stanbon)