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Please help me this question
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Please help me this question

Please help me this question-example-1
User Gene Merlin
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1 Answer

5 votes

Answer:

∠ BNM = 150°

Explanation:

Project MN to meet AB at point P, then

Δ ANP is a right triangle with sum of angles = 180°, thus

x = 180° - (90 + 30)° = 180° - 120° = 60°

∠ BNM = x + 90 = 60 + 90 = 150°

User HiTech
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