Question

1. find m∠1. 56° 1 62° 62° 67° 72° 58°

Explanation:

Step1: Recall the triangle angle - sum theorem

The sum of the interior angles of a triangle is \(180^{\circ}\). Let \(\angle1=x\). Then, according to the theorem, \(x + 56^{\circ}+62^{\circ}=180^{\circ}\).

Step2: Solve for \(x\)

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Answer:

\(62^{\circ}\)