5. In Fig. 6.32, if AB CD,
APQ = 50° and
PRD = 127°, find x and y.
Given, AB || CD, APQ =
and
PRD =
PQ is a transversal. So,
APQ =
PQR=
(alternate interior angles)
Again, PR is a transversal. So,
y +
=
(Alternate interior angles)