A student takes a multiple-choice test with 8 questions on it, each of which have 4 choices. The student randomly guesses an ans
1 answer:
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Answer:
<h2>By angle sum property:</h2>BAC+ABC+BCA=180°
90°+45°+x=180°
135°+x=180°
x=45°=BCA
<h2>since BCA=ABC=<u> </u>45° each </h2><h2>therefore,</h2>