Question

In the figure if $\angle x={70}^{\circ }$ and $\angle y={71}^{\circ }$ state with reason whether the line m $\parallel$ line n. Justify.

Answer 1

$Ifm\parallel n\&listhetransversalthen\angle x=\angle y\left\{correspondingangles\right\}Butitisgiventhat\angle x={70}^o\&\angle y={71}^{o}whichmeans\angle x\ne \angle ySolinesm\&narenotparallel.$