Describe the change int he radius of a circle when the area is multiplied by 1/4.
A. The radius is multiplied by 1/4
B.The radius remains constant
C. The radius is multiplied by 1/2
D. The radius is multiplied by 2
3 years ago Comment
I think the correct answer is C. Since a=πr², in order to get the area to become 1/4 of what it was previously, the radius needs to be cut in half to make the divide that side by 4. a=π(r/2)²=πr²/4 and will therefore multiply the area by 1/4.