Question

m∠c = 97°; m∠d = 83°
are the two angles complementary, supplementary, or neither?
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Explanation:

Step1: Define complementary angles

Complementary angles sum to $90^\circ$.

Step2: Define supplementary angles

Supplementary angles sum to $180^\circ$.

Step3: Calculate sum of $\angle C$ and $\angle D$

$m\angle C + m\angle D = 97^\circ + 83^\circ = 180^\circ$

Answer:

supplementary