Sherry was helping her father build a roof on their back porch. When they were almost finished, they realized that the corner of the roof was not at a right angle like the plywood they were using.
The roof extended past the top of the wood at a 156° angle, x, as shown in the picture below.
What would be the measure of y?
*picture not drawn to scale
A.
24°
B.
66°
C.
78°
D.
156°
