In the diagram above, find the value of x
-
A.
55o -
B.
50o -
C.
45o -
D.
40o
Correct Answer: Option C
Explanation
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