△ABC∼△EFG .
Given m∠A=39° and m∠F=56° , what is m∠C
Measure of angle F = Measure of angle B
So.......
Measure of angle A + Measure of angle B + Measure of angle C = 180°
39 + 56 + Measure of angle C = 180
95 + Measure of angle C = 180 subtract 95 from both sides
Measure of angle C = 180 - 95 = 85°