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- 1. Multiple Choice
What number is pi?
1.41
2.00
3.14
5.14
- 2. Multiple Choice
A area between/bounded by two radii of the circle and the arc where the radii meet the circle.
triangle
arc length of a circle
sector of a circle
segment of a circle
- 3. Multiple Choice
What is the area formula for a circle?
A = πr2
A = 2πr
A = √π
- 4. Multiple Choice
Find the area of the circle below.
8.76 cm2
18.52 cm2
21.90 cm2
28.26 cm2
- 5. Multiple Choice
What is this the formula for?
arc length
area of a sector
area of a segment
arc measure
- 6. Multiple Choice
Find the area of the shaded sector of circle O. The radius is 6 inches and the central angle is 100°. Express answer to the nearest tenth of a square inch.
25.2 in2
28.5 in2
31.4 in2
38.2 in2
- 7. Multiple Choice
The distance along the edge of a circle between two points is the _________
area of a sector
arc length
arc of a circle
sector of a circle
- 8. Multiple Choice
Find the area of the circle. When a number is written next to the center of the circle, it represents the diameter length. The diameter is 18 in.
56.52 in2
254.34 in2
1017.36 in2
113.04 in2
- 9. Multiple Choice
What is the radius of a circle with an area of 49π?
49
10
7
14
- 10. Multiple Choice
What is the area of the shaded SECTOR? Round to the nearest hundredth.
9.42 u2
113.10 u2
284.3 u2
452.39 u2
- 11. Multiple Choice
If Pacman's mouth is open to 70° and the radius of his mouth is 8mm, what is CENTRAL ANGLE MEASURE of his Body?
290o
270o
180o
110o
- 12. Multiple Choice
A cathedral window is built in the shape of a semicircle. If the window is to contain three stained glass sections of EQUAL SIZE, what is the area of the YELLOW SECTOR?
3.3 ft2
4.5 ft2
6.3 ft2
7.1 ft2
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