Question
Angles of a triangle are in the ratio 4 : 6 : 8. Find
the measure of the middle angle of the triangle.Solution
Let the measure of the angles of the given triangle be '4x°', '6x°', and '8x°', respectively. Sum of angles of a triangle = 4x + 6x + 8x = 180° So, x = (180°/18) = 10° Therefore, the middle angle of the triangle = 6x = 6 × 10° = 60° Hence, option b.
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