Mathematics, 08.10.2019 04:00 Kaylenejohnson00

Since it is given that ab ≅ ac, it must also be true that ab = ac. assume ∠b and ∠c are not congruent. then the measure of one angle is greater than the other. if m∠b > m∠c, then ac > ab because of the triangle parts relationship theorem. for the same reason, if m∠b < m∠c, then ac < ab. this is a contradiction to what is given. therefore, it can be concluded that

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Since it is given that ab ≅ ac, it must also be true that ab = ac. assume ∠b and ∠c are not congruen...