Explain why every parallelogram is a quadrilateral,
but not every quadrilateral is a parallelogram.​


Sagot :

Answer:

A parallelogram is a quadrilateral with 2 pairs of opposite, equal and parallel sides. A rectangle is a quadrilateral with 2 pairs of opposite, equal and parallel sides BUT ALSO forms right angles between adjacent sides. ... This is not true for all parallelograms since isn't necessary that any of the angles is 90°.

Step-by-step explanation:

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