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If m/\a =150 and /\ a and /\b at supplementary, what is m/\ b

User Vineesh
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1 Answer

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supplementary angles add up to 180°.

now, we know that ∡a = 150°, and we also know that

∡a + ∡b = 180

150 + ∡b = 180

∡b = 180 - 150.
User Audun Kjelstrup
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