704 Homework Feb. 4, 2010

Students in group # 1
A wheel of bicycle has a circumference
of 23.56 in.
Estimate the diameter______
Estimate the radius ________
Use the formula of the circumferen-
ce to find a more exact answer.

Students in group #2
Same as group plus the next problem
The area of a bell is 78.5 sq. meter.
What is the radius?
What is the diameter?

Students in group # 3
Same as group # 2 plus
What is the area of the diameter
with an area of 616 sq. in. Use
22/7 for pie