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10-2 Central Angles & Arcs
By Larry Mooney
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Last updated almost 2 years ago
14 questions
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Question 1
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Question 2
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Question 3
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Question 4
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Question 5
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Question 6
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Question 7
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Question 8
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Question 9
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Question 10
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Question 11
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Question 12
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Question 13
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Question 14
14.
90°
180°
170°
60°
Find x.
The 2 smaller angles are congruent. They are both 35°
120°
100°
160°
150°
Minor Arc, Major Arc or Semicircle?
Major Arc
Minor Arc
Semicircle
Minor Arc, Major Arc or Semicircle?
Major Arc
Minor Arc
Semicircle
Minor Arc, Major Arc or Semicircle?
Major Arc
Minor Arc
Semicircle
QS is a diameter
Find the measure
187°
127°
147°
167°
QS is a diameter
Find the measure
225°
255°
127°
175°
Find the measure
125°
129°
123°
127°
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
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
Find the value of x.
120°
90°
125°
80°
Find the value of x.
210°
135°
225°
220°
Find the value of x.
55°
25°
35°
45°
Find the value of x.
60°
30°
80°
40°
