Dora is babysitting over the summer. She charges an initial fee of $10 plus $5 per hour. Proportional Proportional Non-Proportio
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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>