Having trouble with this problem , can someone help? Angle DEF and angle FEG are supplementary. The measure of angle DEF = (9x +1) and the measure of angle FEG = (8x + 9). What is the measure of angle FEG?

a)9degrees
b)1degrees
c)89degrees
d)91degrees

Question

Having trouble with this problem , can someone help? Angle DEF and angle FEG are supplementary. The measure of angle DEF = (9x +1) and the measure of angle FEG = (8x + 9). What is the measure of angle FEG?

a)9degrees
b)1degrees
c)89degrees
d)91degrees

anonymous · Answer

supplementary means the two angles have a sum of 180, so set
9x + 1 + 8x + 9 = 180, then solve for x, after you find x substitute it back in to find the angle