Question

The measures of the angles of △ABC are given by the expressions in the table.

Answer 1

The sum of angles of a triangle is 180°.

48 +(6x -28) +2x = 180
8x +20 = 180
8x = 160
x = 20

∠B = (6x -28)° = (6*20 -28)° = 92°

∠C = 2x° = 40°

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x = 20
∠B = 92°
∠C = 40°