1.
Find the radius of a circle with circumference
.
A.
16
B.
8
C.
4
D.
Hint
2.
Find the area of a circle with a radius of 15 millimeters. Round to the nearest tenth.
A.
1413.7 mm
2
B.
94.2 mm
2
C.
225.0 mm
2
D.
706.9 mm
2
Hint
3.
If the circumference of a circle is 56.5, find the radius to the nearest whole number.
A.
89
B.
9
C.
16
D.
18
Hint
4.
What is the area of the shaded region? Round the answer to the nearest tenth.
A.
172.8 cm
2
B.
201.1 cm
2
C.
182.2 cm
2
D.
31.4 cm
2
Hint
5.
What is the area of the shaded region in the square?
A.
6 cm
2
B.
15 cm
2
C.
27 cm
2
D.
18 cm
2
Hint