Question

Question 78

In the given figure$l||m||n.\angle QPS={35}^{\circ }and\angle QRT={55}^{\circ }.$ Find $\angle PQR$.

Answer 1

Figure the above figure, $\angle 1={35}^{\circ }\left[alternateangles\right]\angle 2={55}^{\circ }\left[alternateangles\right]\therefore \angle PQR=\angle 1+\angle 2={35}^{\circ }+{55}^{\circ }={90}^{\circ }$