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ad-work [718]
4 years ago
7

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

Mathematics
2 answers:
Naya [18.7K]4 years ago
6 0
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)
enot [183]4 years ago
5 0
< CAD = < ACB + < CBA
< CAD = 80 + 20
< CAD = 100
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