Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter6: Circles
Section6.1: Circles And Related Segments And Angles
Problem 24E
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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
Find the missing sizes of the angles marked for each pentagon.
![11. Find the missing sizes of the angles marked for each pentagon. (Hint: See Learning Exercise 9.) Be sure to show your work.
b.
113°
119° c.
a.
b.
с.
a-/ 90°
96°
d.
128
h. i.
h.
g.
m.
121°
j.
108°/g.
118°
m.
4](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F813e725d-360b-4255-815b-d13637902697%2F85a161ce-119b-4cd7-ac7c-2ea7328dbe32%2Fxfn9zvcp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:11. Find the missing sizes of the angles marked for each pentagon. (Hint: See Learning Exercise 9.) Be sure to show your work.
b.
113°
119° c.
a.
b.
с.
a-/ 90°
96°
d.
128
h. i.
h.
g.
m.
121°
j.
108°/g.
118°
m.
4
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