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If, in ΔABC, m∠A is 90º, which statement is true?

A. AB ⊥ BC
B. AB ⊥ AC
C. m∠ABC = m∠ACB
D. m∠ABC = 45º

1 Answer

4 votes
B is the correct answer
Let me explain: since angle a is = to 90 that would mean it is a right angle, so it is formed by 2 segments that are perpendicular
User Darrel Lee
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