|
|
|
1.
|
What is the area of a circle with a radius of 3 m?
r = 3 m
a. | 28m2 | b. | 32 m2 | c. | 61 m2 | d. | 15
m2 |
|
|
|
2.
|
What is the area of a circle with a radius of 2.7 m?
a. | 14.5 m2 | b. | 34.6 m2 | c. | 22.9 m2 | d. | 67.3
m2 |
|
|
|
3.
|
What is the area of a circle with a radius of 10.4 mm2?
a. | 213.8 mm2 | b. | 67.9 mm2 | c. | 339.8 mm2 | d. | 12.5
mm2 |
|
|
|
4.
|
What is the area of a circle with a radius of 9.9 mm?
a. | 307.9 mm2 | b. | 420.9 mm2 | c. | 67.3 mm2 | d. | 13.4
mm2 |
|
|
|
5.
|
What is the area of a circle with a diameter of 12.4 cm?
a. | 45.4 cm2 | b. | 32.1 cm2 | c. | 120.8 cm2 | d. | 986.4
cm2 |
|
|
|
6.
|
What is the area of a circle with a diameter of 75.3 cm?
a. | 754.3 m2 | b. | 123.7 m2 | c. | 4453.3 m2 | d. | 198.6
m2 |
|
|
|
7.
|
What is the area of a circle with a diameter of 76.4 mm?
a. | 4584.3 mm2 | b. | 5643.1 mm2 | c. | 18.7 mm2 | d. | 5647.9
mm2 |
|
|
|
8.
|
What is the radius of a circle if the area is 30 604.42 mm2?
a. | 12.50 mm | b. | 34.50 mm | c. | 65.70 mm | d. | 98.70
mm |
|
|
|
9.
|
What is the radius of a circle if the area is 17.35 m2?
a. | 5.6 m | b. | 2.35 m | c. | 2.3 m | d. | 1.2
m |
|
|
|
10.
|
What is the radius of a circle if the area is 214.86 m2?
a. | 3.45 m | b. | 7.22 m | c. | 8.27 m | d. | 9.57
m |
|