Sheet # 334 Area/Circumference

Name_________________________Date:_____________

Show your work.

1) An apple pie has a diameter of 9 inches. What is the circumference rounded to the nearest whole number?





2) Silicon disks with a 4 inch diameter are manufactured to make integrated circuits. What is the circumference and the area of the disks?





3) The hockey rink is 85 feet wide and 178 feet long. It has four face-off-circles. Each circle has a diameter of 30 feet. What is the circumference and the area of each circle?





4) If a circular pond has a radius of 60 feet, how much fencing will be needed to enclose it?





5) Jenny's circular garden has a diameter of 20 feet. How many feet of fence are needed to fence the garden?























































Answers for sheet # 334

d = diameter
r= radius
c = cirumference
a = area

1) d = 9
c = 3.14 x 9 = 28.26 inches
28 inches

2) d = 4
r = 2

c = 12.56 inches
a = 12.56 sq inches

3) d = 30 feet
c = 94.2 feet
a = 706.5 sq inches

4) r = 60 feet
d = 120 feet
c = 376.8 feet


5) d = 20 inches
c = 62.80 inches