What is the measure of < c
45°
56°
60°
66°

Answer:
c = 56
Step-by-step explanation:
The two angles 'c' and '124' form a straight angle. They add to 180
c+124 = 180
c+124-124 = 180-124 ... subtract 124 from both sides
c+0 = 56
c = 56