Question

Explain how DEAR is a trapezium. Which of its two sides are parallel?

Answer 1

DEAR is a trapezium. because, one of the opposite sides will be parallel in trapezium. It is one of the property of trapezium.

Answer 2

DEAR is a trapezium

Step-by-step explanation:

DEAR is a trapezium

because it has 4 sides and 1 pair of parallel sides

reason to parallel side :

$\angle A + \angle R = 180^\circ \\\\90+90 = 180^\circ\\\\similarly \\\\\angle E + \angle D = 180^\circ \\\\100+80=180^\circ$

and ,here , the property of parllel line is applicable

that sum of the co interior angles or angle on the same side of the transversal is 180°

thus EA║DR

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