Question

∆ABC,B-C-D, ∠ACD=110˚ , ∠B=40˚, then m∠A=-- *
1 point
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Answer 1

Answer:

M angle A = 70°

Step-by-step explanation:

M angle B + M angle A = 110° ‐ ( By remote interior angle theorem)

40° + M angle A = 110°

M angle A = 110° - 40 °

M angle A = 70°