Question

if AB || EC then angle abc will be..​

Answer 1

Answer:

ABC = 70° is the correct answer.

Answer 2

Answer:

60°

Step-by-step explanation:

∠ACE = 50° ... ∠BAC = ∠ACE

∠ACB = 70° ... 180 - ∠ACD (∠ACE + ∠ECD = 110°) .

                   ... 180 - 110

∠ABC = 180 - (∠BAC + ∠ACB) ... Anglesum of triangle ABC.

∠ABC = 60°

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