Question

AB is parallel to CD find x

Answer 1

Answer:

Step-by-step explanation:

X=

Answer 2

Answer:

Step-by-step explanation:

Construct a line PQ parellel to AB and CD through o.

Mark the point E on CD and F on AB

FOQ= 30° (alt.angles)

EOQ=180 - 100=80° (co interior angle)

Therefore EOF=80+30=110°

NOW x+10= 110°

x=100°