In , and . What is…

MATHEMATICS · Single correct · GCSE · Mathematics · Geometry and Measures · Geometry and Measures

Problem

In △ABC\triangle ABC, AB=ACAB = AC and ∠A=42∘\angle A = 42^\circ. What is ∠B\angle B? (a) 70∘70^\circ (b) 42∘42^\circ (c) 69∘69^\circ (d) 46∘46^\circ

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