Answers

  • Brainly User
2015-11-22T15:28:32+08:00
First angle: x
Angle's supplement: 3x
Sum of the measures of the supplementary angles:  180°

Equation:
x + 3x = 180°
4x = 180°

4x/4 = 180°/4
x = 45°

First angle: x = 45°
Supplementary angle135°

The supplementary angles have measurements of 45° and 135°.
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