plzz answer fast it's urgent
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Answered by
5
Answer:
100=40+ABC
100-40=ABC
60=ABC
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Answered by
1
Answer:
angle ABC=60°
Step-by-step explanation:
by exterior angle property,
angle ACD=angleCAB+angleABC
100°=40°+angleABC
angle ABC=100°-40°
=60°
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