Question

9. In Fig. 10.110, Z1 = 60° and Z2 =
of a right angle. Prove that I || m.
3
/P​

Answer 1

Answer:

=Angle 1 = Angle 60 °

= Angle1 = 2/3 ×90° =60°

=Angle 1 = Angle 2 =60°

=parallel to m as pair of corresponding angle are equal

Hope it will help