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10-2 Central Angles & Arcs
By Larry Mooney
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Last updated over 1 year ago
14 questions
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Question 1
1.
90°
180°
170°
60°
Question 2
2.
Find x.
The 2 smaller angles are congruent. They are both 35°
120°
100°
160°
150°
Question 3
3.
Minor Arc, Major Arc or Semicircle?
Major Arc
Minor Arc
Semicircle
Question 4
4.
Minor Arc, Major Arc or Semicircle?
Major Arc
Minor Arc
Semicircle
Question 5
5.
Minor Arc, Major Arc or Semicircle?
Major Arc
Minor Arc
Semicircle
Question 6
6.
QS is a diameter
Find the measure
187°
127°
147°
167°
Question 7
7.
QS is a diameter
Find the measure
225°
255°
127°
175°
Question 8
8.
Find the measure
125°
129°
123°
127°
Question 9
9.
Find the length of arc JK
The formula for this is
m is the measure of the angle.
So it will look like this
1.05 ft
1.54 ft
2.05 ft
6.23 ft
Question 10
10.
Find the length of arc JK
The formula for this is
Notice on this one that the 15cm is actually the diameter. You need the radius for this formula. So just cut the 15 in half. r = 7.5
16.98 cm
15.87 cm
13.74 cm
22.45 cm
Question 11
11.
Find the value of x.
120°
90°
125°
80°
Question 12
12.
Find the value of x.
210°
135°
225°
220°
Question 13
13.
Find the value of x.
55°
25°
35°
45°
Question 14
14.
Find the value of x.
60°
30°
80°
40°
