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See question above to solve
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See question above to solve

See question above to solve-example-1
User Rahul Bali
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2 Answers

2 votes
B is 30 degrees not 120
User RunesReader
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9.0k points
6 votes

Answer:

b = 30°

Explanation:

a + b + 90° = 180°

60° + 90° + b = 180°

150° + b = 180° ( subtract 150° from both sides )

b = 30°

User Ivan Baldin
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