If and , explain in one sentence why and name the Euclidean axiom you have…

MATHEMATICS · Subjective · CBSE · Mathematics · Introduction to Euclid's Geometry · Introduction to Euclid's Geometry

Problem

\angle P = \angle Q

and

\angle Q = \angle R

, explain in one sentence why

\angle P = \angle R

and name the Euclidean axiom you have applied.