Question
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degrees, if they form a linear pair.
Two angles whose measures are a & b are such that 2a - 3b = 60∘ then 5b =
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degrees, if they form a linear pair.
Answer: Option A
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Given that,
2a - 3b = 60∘
Also if they form a linear pair, then
2 × (180∘ - b) - 3b = 60∘ ( since a = 180∘ - b)
⇒ 360∘ - 2b - 3b = 60∘
⇒ 5b =300∘
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