Sheet # 338 Area/Circumference

Name_________________________Date:_____________

Show your work.

1) What happens to the circumference of a circle when the radius is doubled? tripled? quadrupled?











2) What happens to the area of a circle when the radius is doubled? tripled? quadrupled?

































































Answers for sheet # 338

1) If radius is doubled, the circumferences doubles.
If radius is tripled, the circumferences triples.
If radius is quadruples, the circumferences quadruples.



2) 1) If radius is doubled, the area increases four times.
If radius is tripled, the area increases 9 times.
If radius is quadruples, the area increases 16 times.