# Parallelograms have Properties Click to view ```Parallelograms have Properties
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What is a parallelogram?
with both pairs of opposite sides
parallel.
Properties of Every
Parallelogram:
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Both pairs of opposite sides are
congruent.
Both pairs of opposite angles are
congruent.
supplementary.
Diagonals bisect each other.
“Special Parallelograms”
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Rectangle
Rhombus
Square
Parallelogram
Rectangle
Rhombus
Square
What is a rectangle?
A rectangle is a parallelogram with
four right angles.
What are the properties of a
rectangle?
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All the properties of every
parallelogram. (What are these
properties?)
All four angles are right angles.
The diagonals are congruent.
What is a rhombus?
A rhombus is a parallelogram with
four congruent sides.
What are the properties of a
rhombus?
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All the properties of every
parallelogram.
The diagonals are perpendicular.
Each diagonal bisects two angles of the
rhombus.
What is a square?
A square is a parallelogram with
four right angles and four
congruent sides.
What are the properties of a
square?
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A square has all the properties of every
parallelogram.
A square has all the properties of a
rectangle.
A square has all the properties of a
rhombus.
A square is a parallelogram, a rectangle,
and a rhombus!
Summary Slide
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What is a parallelogram?
Properties of Every Parallelogram:
What is a rectangle?
What are the properties of a rectangle?
What is a rhombus?
What are the properties of a rhombus?
What is a square?
What are the properties of a square?