Lines and are parallel

MATHEMATICS · Subjective · CBSE · Mathematics · Lines and Angles · Lines and Angles

Problem

Lines

l, m,

and

n

are parallel. A transversal

t

intersects them at points

P, Q,

and

R

respectively. At each intersection, consider the acute angle to the right of

t

and above the corresponding parallel. Explain the relationship among these three angles and state one reason.