Answer:
The measure of the bigger angle is 126 degrees
Step-by-step explanation:
When two angles are supplementary, the sum of the angles is 180
In the given ratio, the bigger angle is the one with 7
Thus;
7/(3 + 7) * 180 is the measure of the bigger angle
So;
7/10 * 180
= 7 * 18 = 126 degrees
