1.
Sara's mother, Shenequa, is making Sara a cake for her birthday. She wants to put a border of blue icing around the cake. How long does it need to be if the cake has a radius of
in.? Use
.
A.
33 in.
B.
15 in.
C.
in.
D.
in.
Hint
2.
Find the circumference of the circle. Use
for
.
A.
8.4 m
B.
33 m
C.
86.6 m
D.
16.5 m
Hint
3.
Find the circumference of the circle. Use 3.14 for
.
A.
50.27 mi
B.
12.56 mi
C.
25.12 mi
D.
7.14 mi
Hint
4.
Find the circumference of a circle whose radius is 31 mm. Use the
key on a calculator and round your answer to the nearest hundredth.
A.
3019.07 mm
B.
194.78 mm
C.
34.14 mm
D.
97.39 mm
Hint
5.
Find the circumference of a circle with diameter 4 ft.
A.
7.14 ft
B.
12.57 ft
C.
50.27 ft
D.
25.13 ft
Hint