In the diagram above, find the value of x
Attached Figure / Diagram
A
55o
B
50o
C
45o
D
40o
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
y = 55 (alternate angles)
x = x (same reason)
260 + y + x = 360 (∠s at a point)
260 + 55 + x = 360
315 + x = 360
x = 360 - 315
x = 45o
Source: Myschool Past Questions Archive (Record #8854)