Suppose that A and B are two distinct points, and let l = AB. Suppose that H is one of the half-planes of l and let S = {ZBAE : E e H}. Define f : S –→ (0, 180) by ƒ(ZBAE) = µ(BAE). Prove that f is a 1-1 correspondence (i.e. is 1-1 and onto).

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
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Suppose that A and B are two distinct points, and let l = AB. Suppose that H is one of the half-planes of
l and let
S = {ZBAE : E E H}.
Define f : S –→ (0, 180) by f(ZBAE) = µ(ZBAE). Prove that f is a 1-1 correspondence (i.e. is 1-1 and
onto).
Transcribed Image Text:Suppose that A and B are two distinct points, and let l = AB. Suppose that H is one of the half-planes of l and let S = {ZBAE : E E H}. Define f : S –→ (0, 180) by f(ZBAE) = µ(ZBAE). Prove that f is a 1-1 correspondence (i.e. is 1-1 and onto).
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