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
Concept explainers
Ratios
A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.
Trigonometric Ratios
Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
Question
Transcribed Image Text:Onli.
A Classes
G.CO.9 WORKSHEET #1 -
NAME:
1
1. Solve the following.
a) x =
y =
b) x =
y =
c) x =
y =
Зх-5
y
5x- 15
y
67°
y
127°
2. 25 and 23 are vertical angles.
T or F
3. Z1 and 25 are a linear pair.
T or F
4. 24 and 23 are adjacent angles.
T or F
3.
1
5. 24 and 21 are vertical angles.
T or F
5
6. 23 and 24 are a linear pair.
I or F
7. If ZA and ZB are supplements and mZA = 150°, what is mZB?
8. If ZA and ZB are complements and mZA = 27°, what is mZB?
9. If ZA and ZB are vertical angles and mZA = 36°, what is mZB?
10. If ZA and ZB are a linear pair and mZA = 2x + 8 and mZB = 3x + 2, what is the value of x? x =
11. If ZA and ZB are vertical angles and m2A = 7x -5 and mZB = 4x + 10, what is the value of x? x =
12. Provide the name of the following relationships.
16
a) 1 & /6
b) 22 & 7
14
&
Transcribed Image Text:Dougal Onli.
A Classes
le Re ationships WS pdfnd ZB are a linear pair and mZA = 2 Open with - = 3x + 2, what is the value of x? x =
11. If ZA and ZB are vertical angles and mZA = 7x-5 and mZB = 4x + 10, what is the value of x? x =
12. Provide the name of the following relationships.
15
16
14
a) 21 & 26
b) 22 & 27
13
c) Z16 & Z14
d) Z14 & Z11
12/11
e) Z1 & 27
f) Z6 & 25
6.
9/ 10
g) Z15 & Z10
h) Z1 & 2
i) Z13 & Z12
j) Z16 & 29.
13. Find the measure of the angle and give a reason for knowing it.
(measure)
(reason)
a) mz1 =
b) m22 =
c) m23 =
d) m24 =
110°
4
50°
e) m25 =
Page
1 I 1
+
6.
8
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