In triangle ABC, angle A = 30 degrees, angle B = 70 degrees. Pick the largest side of this triangle.

univerkov | February 17, 2021 | education

First, we find the angle C. Since the sum of all the angles in the triangle is 180 degrees, then:

C = 180 – (A + B) = 180 – (30 + 70) = 180 – 100 = 80.

Following from the fact that the largest side lies opposite the largest angle, we conclude that the AB side is the largest.

Answer: AB.

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