In triangle A B C, angle B is 2 times less than angle A and 3 times less than angle C. Find angle B.

Let the angle B = x, then the angle A = 2x, and the angle C = 3x.

Now we make up the equation: x + 2x + 3x = 180, since the sum of the angles of the triangle = 180 °.

We calculate: 6x = 180, thus x = 180/6 = 30 °.

Answer: angle B = 30 °.



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