1.
A.
center
B.
circumference
C.
radius
D.
diameter
Hint
2.
The exact circumference of a circle with a radius of 6 is ____.
A.
37.7
B.
C.
D.
Hint
3.
The diameter of a circle is 7.5. Find the circumference to the nearest tenth.
A.
35.4
B.
16.8
C.
47.1
D.
23.6
Hint
4.
Find the circumference and the area of a circle with radius 11.2 cm. Round to the nearest tenth.
A.
64.5 cm, 284.6 cm
2
B.
85.1 cm, 494.2 cm
2
C.
70.4 cm, 394.1 cm
2
D.
67.9 cm, 328.9 cm
2
Hint
5.
What is the area of the shaded region? Round the answer to the nearest tenth.
A.
31.4 cm
2
B.
172.8 cm
2
C.
182.2 cm
2
D.
201.1 cm
2
Hint