3) 13 < r + 9 ≤ 18 什 2 + 3 + 4 5 6 7 8 + 9 10 → 11 4) 7 ≤ n + 6 ≤ 15 ++> -2 -1 0 1 2 3 4 5 6 7 8

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter1: Line And Angle Relationships
Section1.5: The Format Proof Of A Theorem
Problem 11E: When can a theorem be cited as a reason reason in a proof?
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3) 13 < r + 9 ≤ 18
+
1 2 3
+
+ + +
4
5
+
+
6 7 8
9
+
10
11
4) 7 ≤ n + 6 ≤ 15
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-2 -1 0 1
+
+ +
2 3 4 5 6 7 8 9 10 11 12
I-
+
Transcribed Image Text:3) 13 < r + 9 ≤ 18 + 1 2 3 + + + + 4 5 + + 6 7 8 9 + 10 11 4) 7 ≤ n + 6 ≤ 15 + -2 -1 0 1 + + + 2 3 4 5 6 7 8 9 10 11 12 I- +
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