MCQ
$PQRS$ is a trapezium in which $PQ || SR$ and $\angle\text{P}=130^\circ, \angle\text{Q}= 110^\circ.$ Then $\angle\text{R}$ is equal to:
  • $70^\circ$
  • B
    $50^\circ$
  • C
    $65^\circ$
  • D
    $55^\circ$

Answer

Correct option: A.
$70^\circ$
Since, $PQRS$ is a trapezium and $PQ \ || \ SR$
$\therefore\angle\text{Q}+\angle\text{R}=180^\circ$
$\Rightarrow\angle\text{R}= 180^\circ − 110^\circ= 70^\circ$

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