B. Number the sentences in an order to complete an indirect proof. Given: In A EFG, EF = FG Prove: mzE 90° O Therefore the temporary assumption that mLE = 90° must be false. O But this contradicts the fact that the sum of the measures of the angles of a triangle is 180. O Assume temporarily that mzE = 90° Then mLG = 90°, and mzE + mzF + m2G = 90 + m²F + 90 > 180
B. Number the sentences in an order to complete an indirect proof. Given: In A EFG, EF = FG Prove: mzE 90° O Therefore the temporary assumption that mLE = 90° must be false. O But this contradicts the fact that the sum of the measures of the angles of a triangle is 180. O Assume temporarily that mzE = 90° Then mLG = 90°, and mzE + mzF + m2G = 90 + m²F + 90 > 180
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter2: Parallel Lines
Section2.1: The Parallel Postulate And Special Angles
Problem 29E: In triangle ABC, line t is drawn through vertex A in such a way that tBC. aWhich pairs of s are ?...
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