Question

In the figure below, two lines AB and CD interest at a point. If ZAOC = 50°,
ZBOC =
C
500
a) 1200
b) 1400
c) 1150
d) 130°
to​

Answer 1

sum of angles =180°

so,

180=X+50°

bring on the other side.

therefore:

X=180°-50°

X=130°