In the diagram what is x + y in terms of z?
Attached Figure / Diagram
A
180o - z
B
180o + z
C
z - 180o
D
z
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
x + y + z = 180(sum of angles in a \(\bigtriangleup\))
x + y = 180 - z
Source: Myschool Past Questions Archive (Record #36214)