Question

In the adjoining figure, $l||m$. Find the values of $x,y$ and $z$.

Answer 1

$x={45}^{\circ }$ (alternate interior angles)

$z={55}^{\circ }$ (alternate interior angles)

$y+{45}^{\circ }+{55}^{\circ }={180}^{\circ }$ (angle sum property of triangle)

$y={80}^{\circ }$