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10 QuestionsShow answers
Question 1
SURVEY
300 seconds
Q. Find the arc length.
answer choices
5.50 cm
11.00 cm
0.39 cm
141.37 cm
Question 2
SURVEY
120 seconds
Q. Alison is jogging on a circular track that has a radius of 140 feet. She runs along the track from point R to point N, a distance of 230 feet. Find to the nearest degree, the measure of minor arc RN.
answer choices
47
74
94
123
Question 3
SURVEY
180 seconds
Q. In the equation (x+2)2+(y-3)2=4, the radius of the circle is...
answer choices
4
2
3
16
Question 4
SURVEY
180 seconds
Q. In the equation (x-3)2+(y-2)2=16, the center of the circle is...
answer choices
(3,2)
(-3, -2)
(-2, -3)
(2, 3)
Question 5
SURVEY
300 seconds
Q. What is m∠ACB?
answer choices
67.5°
90°
22.5°
45°
Question 6
SURVEY
900 seconds
Q.
What is x?
answer choices
15
23
2
92
Question 7
SURVEY
900 seconds
Q.
Solve for x.
answer choices
37.5
11
118
15
Question 8
SURVEY
900 seconds
Q. If the length of the 45° region of this circle is 10 inches, what is the radius of the circle?
answer choices
1.6in
3in
6.8in
2.5in
Question 9
SURVEY
900 seconds
Q.
In a circle, a 90° sector has area 64π in2. What is the radius of the circle?