Question

Given the information marked on the figures below, classify each quadrilateral as a "Parallelogram" or "Not necessarily a parallelogram."
Note that each figure is drawn like a parallelogram, but you should not rely on how the figure is drawn in determining your answers.

If necessary, you may learn

Answer 1

The quadrilateral which can be considered  as a "Parallelogram" or "Not necessarily a parallelogram. are second and fourth figure.

"The correct figures are (b) and (d)

What is a parallelogram?

A parallelogram is a quadrilateral with opposite sides parallel (and therefore opposite angles equal).

• The first one is a parallelogram because, the angle are shown are alternate interior angles which defined between two parallel lines.

• The second one is not a parallelogram because, the angle are shown are alternate interior angles which should defined between two parallel lines. But there are no parallel lines.

• The third one is not a parallelogram because, the parallelogram have opposite angles are equals not the adjacent angle.

        Here the adjacent angle are given equal.

• The fourth one is a parallelogram because, the opposite side of parallelogram are equal and parallel to each other.

Learn more about parallelogram here:

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