Question 844875
If two angles are supplementary they equal
to 180 degrees when added.
Small angle = x degrees
Large angle = 15 + 4x degrees.
x + (15 + 4x) = 180
x + 15 + 4x = 180
5x + 15 = 180
5x = 180 - 15
5x = 165 degrees
x = 33 degrees.
Small angle = 33 degrees
Larger angle = 147 degrees.
Hope this helps.
:-)