1.
Find the area of a circle with a radius of 15 millimeters. Round to the nearest tenth.
A.
94.2 mm
2
B.
706.9 mm
2
C.
1413.7 mm
2
D.
225.0 mm
2
Hint
2.
Find the exact area of a circle with a circumference of
meters.
A.
8
m
2
B.
64
m
2
C.
256
m
2
D.
32
m
2
Hint
3.
Find the area of the shaded region between the circle of diameter 4 feet and the equilateral triangle. Round to the nearest tenth.
A.
12.6 ft
2
B.
8.7 ft
2
C.
10.0 ft
2
D.
7.4 ft
2
Hint
4.
A pentagon is inscribed in a circle of radius 4 cm. Find the area of the region that is outside of the pentagon and inside the circle. Round the answer to the nearest whole number.
A.
26 cm
2
B.
38 cm
2
C.
50 cm
2
D.
12 cm
2
Hint
5.
Find the area of the shaded region.Round the answer to the nearest tenth.
A.
21.6 cm
2
B.
38.2 cm
2
C.
48.3 cm
2
D.
14.9 cm
2
Hint