Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
Related questions
Question
Use the circle rules to find the missing information
Transcribed Image Text:Copy of Geometry Test 5B ☆ O
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E - E - EE
1.
2
3
5.
6
7.
60°
60°
Central Angles are equal to the arc it intercepts.
I Arc AB = Angle AQB, because AQB is a central angle.
Angle Relationships in Circles
VERTEX OF
MEASURE
OF ANGLE
THE ANGLE
DIAGRAMS
On a circle
Half the
measure of its
intercepted arc
200
<1
120
m21 = 60"
m22 = 100
Inside a circle Half the sum of
the measures of
its intercepted
m21 =(44° + 86°)
44
<1
86
= 65°
arcs
Half the
difference of the
measures of its
intercepted arcs
Outside a
circle
78"
2 45
125
202
m21 =(202° – 78') m22 = (125° – 45°)
= 62
= 40°
MacBook
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1.
... ..
5
9)
Find the measure of Angle BAC
700
164°
MathBits.com
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