What is a counterexample to this claim?

All quadrilaterals are parallelograms.

A.
a rectangle
B.
a rhombus
C.
a square
D.
a trapezoid



Answer :

Answer:

D. Trapezoid

Step-by-step explanation:

Trapezoid is a quadrilateral but not all the opposite sides are parallel and equal as the case is in all parallelograms.

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