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Chapter 6
Properties of a parallelogram, a rhombus, a rectangle, a square, a kite, a trapezoid, and an isosceles trapezoid.
5
Mathematics
9th Grade
01/03/2013

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Term
Parallelogram Properties
Definition
1) Quadrilateral with both pairs of opposite sides that are parallel.
2) Both pairs of opposite sides and angles are congruent.
3) Diagonals bisect each other
4) One pair of sides is congruent and parallel.
5) One angle is supplementary to both consecutive angles.
Term
Rhombus Properties
Definition
1) Four congruent sides
2) Diagonals perpendicularly bisect each other.
3) Each diagonal bisects a pair of opposite angles.
Term
Rectangle Properties
Definition
1) Four right angles
2) Diagonals are congruent
Term
Square Properties
Definition
1) Four congruent sides
Term
How does a parallelogram become a square?
Definition
First, you make sure that you have all the properties of a parallelogram. Second, you look to see if there are any properties from a rhombus or rectangle in your polygon. If there are any properties from a rhombus or rectangle, then you look for 4 congruent sides. If there are 4 congruent sides, then you have a square.
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