1.

In ΔABC, if ∠A = 100°, AD bisects ∠A and AD ⊥ BC. Then, ∠B =(a) 50°(b) 90°(c) 40°(d) 100°

Answer» In ΔABC, if ∠A = 100°, AD bisects ∠A and AD ⊥ BC. Then, ∠B =



(a) 50°



(b) 90°



(c) 40°



(d) 100°


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