1.

In aΔABC,side BC is produced to D.If∠ABC=50∘and ∠ACD=110∘then ∠A=?(a)160∘ (b)60∘ (c)80∘ (d)30∘

Answer»

In aΔABC,side BC is produced to D.If∠ABC=50∘and ∠ACD=110∘then ∠A=?(a)160∘ (b)60∘ (c)80∘ (d)30∘



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