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4 votes
Last question.

What is m∠CAD?
a. 20°
b. 80°
c. 100°
d. 110°

Last question. What is m∠CAD? a. 20° b. 80° c. 100° d. 110°-example-1
User Atraudes
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8.2k points

2 Answers

2 votes
< CAD = < ACB + < CBA
< CAD = 80 + 20
< CAD = 100
User Sanshayan
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8.2k points
4 votes
C. 100 degrees

Use the exterior angle theorem or supplemental angles and consecutive interior sum of angles (80 + 20 + CAB=180, CAB=80, CAB + CAD=180, 80 + CAD=180, CAD=100)
User RakeshKalwa
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8.0k points