Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 8 - Geometry - Review Exercises: 14

Answer

$\angle FRE$ and $\angle FRH$ $\angle ERH$ and $\angle HRG$ $\angle HRG$ and $\angle GRF$ $\angle FRG$ and $\angle FRE$

Work Step by Step

We know that supplementary angles add up to $180^{o}$. In other words, they form a line. From the figure, we thus have the following supplementary angles: $\angle FRE$ and $\angle FRH$ $\angle ERH$ and $\angle HRG$ $\angle HRG$ and $\angle GRF$ $\angle FRG$ and $\angle FRE$
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