Answer:

9. Yes, trapezoid is parallelogram

Explaination:

A trapezoid is a parallelogram if both pairs of its opposite sides are parallel. A trapezoid is a square if both pairs of its opposite sides are parallel; all its sides are of equal length and at right angles to each other.

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Answer:

Yes. A trapezoid is a parallelogram if both pairs of its opposite sides are parallel. A trapezoid can be a rectangle if both pairs of its opposite sides are parallel; its opposite sides are of equal length and are at right angles to each other.

Step-by-step explanation:

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