Question

The measure of an angle is three times the measure of its supplementary angle. What is the measure of each angle?

Answer 1

Let the angle be an angle be x

then the measure of other angle be 3x

Since ,The sum of supplementary angles is 180

Hence

x°+3x°=180°

4x°=180°

x°= 180°/4

x°= 45

the angles are x=45°

and 3x=3×45=135°

Therefore the measure of each angle iß 45° and 135°

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