Asked by Anonymous
A circle has a 3cm radius.
1. By what factor does the circumference change if the radius is tripled? Explain.
2. By what factor does the area change if the radius is doubled? Explain.
1. By what factor does the circumference change if the radius is tripled? Explain.
2. By what factor does the area change if the radius is doubled? Explain.
Answers
Answered by
bobpursley
C=2pI*radius
if rad goes up by 3, C goes up by 3
area=pi*(rad)^2
double rad, area goes up by 2<sup>2</sup>
if rad goes up by 3, C goes up by 3
area=pi*(rad)^2
double rad, area goes up by 2<sup>2</sup>
There are no AI answers yet. The ability to request AI answers is coming soon!