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Pls help and thank you
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12 votes
Pls help and thank you

Pls help and thank you-example-1
User Sigge
by
4.1k points

2 Answers

8 votes

Answer:

60

Explanation:

straight line is equal to 180 so to find a just subtract 180-20

User Tingolfin
by
4.3k points
3 votes

Answer:

160°

Explanation:

a + 20° = 180° [linear pair]

=> a = 180 - 20

=> a = 160°(Ans)

User Piotr Rogowski
by
4.2k points
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