a. Complete. 2 rays 1 angle 3 rays 3 angles 4 rays ?6 angles 5 rays (O angles

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
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b. Study the pattern in the four cases shown, and predict the number of
angles formed by six noncollinear rays that have the same endpoint.
c. Which of the expressions below gives the number of angles formed by
n noncollinear rays that have the same endpoint?                                            n-1       2n-3          n2-3       n(n-1)/2

a. Complete.
2 rays
1 angle
3 rays
3 angles
4 rays
?6 angles
5 rays
(O angles
Transcribed Image Text:a. Complete. 2 rays 1 angle 3 rays 3 angles 4 rays ?6 angles 5 rays (O angles
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