Answer
Suppose that angle A is equal to angle B.
Work Step by Step
The first step of any indirect statement is to assume the opposite of the statement. Thus, the first statement of this proof is: Suppose that angle A is equal to angle B.
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 2 - Section 2.2 - Indirect Proof - Exercises - Page 93: 13
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