In triangle ABC, angle A is 50 degrees, and angle B is 12 times the angle C. Find the angles of triangle ABC.

univerkov | November 20, 2020 | education

Let the angle B be 12x, and the angle C will be x, TK the sum of the angles B and C is 180-50, we will compose and solve the equation.
12x + x = 130
13x = 130
x = 10
angle C is 10, and angle B is 10 * 12 = 120 °
Answer angle С 10 °, angle В 120 °, angle А 50 °

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