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Opposite Sides
See It in Action
Two examples of the idea done right—and one common look-alike that is not right.
EXAMPLE
EXAMPLE
NON-EXAMPLE
Definition
Two sides of a polygon that are across from each other and do not share a vertex.
In simple terms:
Sides that face each other.
Example:
In parallelogram ABCD, AB and CD are opposite sides. BC and AD are also opposite sides.
Important Note (Parallelograms):
In a parallelogram, opposite sides are both parallel and congruent.
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