1.
Find the area of the circle below. Round to the nearest tenth.
A.
78.5 in
2
B.
15.7 in
2
C.
75.8 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.
314.2 mm
2
B.
31.4 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.
191.0 m
2
B.
380.1 m
2
C.
381.0 m
2
D.
190.1 m
2
Hint
4.
Find the area of the circle below. Round to the nearest tenth.
A.
1.6 km
2
B.
3.1 km
2
C.
0.8 km
2
D.
0.7 km
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.
9 ft
B.
20 ft
C.
18 ft
D.
27ft
Hint