Question

reveal math - geometry > ★ identify complementary and supplementary angles 97a
which angle is supplementary to ∠1?
∠4 ∠2 ∠5 ∠3
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Explanation:

Step1: Recall supplementary - angle definition

Two angles are supplementary if their sum is 180 degrees. When two lines intersect, adjacent angles that form a straight - line are supplementary.

Step2: Analyze the given angles

In the given figure, ∠1 and ∠2 form a straight - line. So, ∠1+∠2 = 180°.

Answer:

∠2