In triangle abc, angle a is 30 degrees, angle sun is 42 degrees, find the largest side.

Let the angle BAC = 300, the angle ACB = 42.

Determine the value of the angle ABC.

The sum of the inner angles of the triangle is 1800, then the angle ABC = (180 – 30 – 42) = 108.

In a triangle opposite the larger side, there is a larger angle.

The angle ABC is the largest, hence the largest side of the AC.

Answer: The largest side of the speaker.

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