Mathematics, 16.08.2021 04:00 murrachl000
Consider the diagram and proof by contradiction. Given: △ABC with ∠B ≅ ∠C Prove: AB ≅ AC Triangle A B C is shown. Angles A B C and B C A are congruent. It is given that ∠B ≅ ∠C. Assume AB and AC are not congruent. If AB > AC, then m∠C > m∠B by . If AC > AB, then m∠B > m∠C for the same reason. However, using the given statement and the definition of congruency, we know that m∠B = m∠C. Therefore, AB = AC and AB ≅ AC. What is the missing reason in the proof? converse of the triangle parts relationship theorem substitution definition of congruency converse of the isosceles triangle theorem
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Alakefront cottage that is 30 feet high casts a shadow on the water. how long is that shadow if a 16-foot-high truck parked nearby casts an 8-foot shadow?
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Consider the diagram and proof by contradiction. Given: △ABC with ∠B ≅ ∠C Prove: AB ≅ AC Triangle A...
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