Please answer asap!!!
The measures of two supplementary angles are (3x + 5)° and (7x + 6)°.
What is the measure of the smaller angle?
A. 51.7°
B. 12.7°
C. 124.3°
D.

55.7°

Respuesta :

supplementary = 180 so 3x+5+7x+6=180     10x+11=180   10x=169   x=16.9   3(16.9)+5   50.7+5   55.7   so 55.7 degrees