Question

Question 10
Explain how this figure is a trapezium. Which of its two sides are parallel?

Answer 1

Here,
$\angle M+\angle L={100}^{\circ }+{80}^{\circ }={180}^{\circ }$ [Sum of interior opposite angles is ${180}^{\circ }$ ]
$\therefore$ NM and KL are parallel.
Hence, KLMN is a trapezium.