In the diagram below, \(PQ\) is parallel to \(ST\) and \(\angle RST=78{}^\circ \).
Given also that reflex \(\angle PQR=196{}^\circ \), find \(\angle QRS\), stating your reasons clearly.

Video solution locked
A free account saves your progress; this video needs tuition enrolment.
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs tuition enrolment.
Create a free account to practise similar questions.
Need help? Join our IP Math tuition programme.
Learn more