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Answered by
1
Answer:
Step-by-step explanation:
c=120[alternate angle]
b=40[alternate angle]
now,
⇒120+40+a=180[sum of triangle]
⇒160+a=180
⇒a=180-160
⇒a=20
hence,
a=20
b=40
c=120
hope this will help you !!!
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Answered by
3
Answer:
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