Question 1137444
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Given the ratio 3:5, let the two angles have measures 3x and 5x.<br>
Since the two angles are supplementary, their sum is 180 degrees:<br>
{{{3x+5x = 180}}}
{{{8x = 180}}}
{{{x = 22.5}}}<br>
The angle is 3x = 67.5 degrees; its supplement is 5x = 112.5 degrees.