opposite sides are parallel and congruent;
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Identify regular polygons.
A polygon is a closed plane figure composed of at least three line segments that do not cross.
Describe the two-dimensional figures that result from slicing three-dimensional figures parallel to the base (e.g., as in plane sections of right rectangular prisms and right rectangular pyramids).
A regular polygon has congruent sides and congruent interior angles.
The student will describe and identify properties of quadrilaterals.