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Answer:
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If the measure of ∠CAB = 68° and ∠CAD is a supplementary angle, then we can use the definition of supplementary angles to find ∠CAD. Supplementary angles are two angles that add up to 180°. Therefore, we can use the formula:
∠CAD=180°−∠CAB
Plugging in the value of ∠CAB, we get:
∠CAD=180°−68°=112°
The answer is 112°.
Summary: Therefore, if ∠CAB = 68° and ∠CAD is a supplementary angle, then ∠CAD = 112°.
Step-by-step explanation:
CAB and CAD add to form a straight line = 180 °
CAB + CAD = 180
68 + CAD = 180
CAD = 180 - 68 = 112°