1.
Find the area of the circle below. Round to the nearest tenth.
A.
78.5 in
2
B.
75.8 in
2
C.
15.7 in
2
D.
31.4 in
2
Hint
2.
Find the area of a circle with a radius of 10 millimeters. Round to the nearest tenth.
A.
31.4 mm
2
B.
314.2 mm
2
C.
314.1 mm
2
D.
3,142.0 mm
2
Hint
3.
Find the area of the semicircle below. Round to the nearest tenth.
A.
380.1 m
2
B.
190.1 m
2
C.
191.0 m
2
D.
381.0 m
2
Hint
4.
Find the area of a circle with a diameter of 4
centimeters. Round to the nearest tenth.
A.
7.5 cm
2
B.
70.9 cm
2
C.
14.9 cm
2
D.
17.7 cm
2
Hint
5.
The pitching mound on a baseball field has a circular area of 254.47 square feet. Find its diameter. Round to the nearest foot.
A.
27ft
B.
9 ft
C.
20 ft
D.
18 ft
Hint