Quadrilaterals
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What is the definition of a Parallelogram?
If Pgram, the opp. sides parallel.

What are the properties of a Parallelogram?
If
Parallelogram, then...
 Opp. sides congruent
 Opp. angles congruent
 Cons. angles supp.
 Diagonals bisect each other

What is the definition of a Rectangle?
If Rectangle, then 4 rt angles

What are the properties of a Rectangle?
If
Rectangle, then...
 Parallelogram
 diagonals congruent

What is the definition of a Rhombus?
If Rhombus, then 4 sides congruent

What are the properties of a Rhombus?
 If Rhombus, then...

 Parallelogram
 diagonals perpendicular
 diagonals bisect opp. angles

What is the definition of a Square?
If Square, then 4 rt angles & 4 congruent sides

What are the properties of a Square?
 If Square, then...

 Parallelogram
 Rectangle
 Rhombus

What is the definition of an isos. trap. ?
If legs of trap congruent, then isos trap.

What are the properties of an isos. trap. ?
If
isos. trap. then, ...
 base <s congruent
 diagonals congruent
 lower base <s supp to any upper base <s
 midseg. of trap ll to each base

What is the definition of a kite?
If kite, then exactly 2 pairsof congruent cons. sides

What are the properties of a kite?
If
kite, then...
 diagonals perp.
 1 pair of opp. sides congruent
 perp. bisector

Pgram test?
Opp. sides parallel (slope)

Rectangle test?
diagonals congruent ( distance formula)

Rhombus test?
Diagonals perp. (slope)

Square test?
diagonals congruent and perp ( distance and slope)

Isos trap test?
legs congruent ( distance formula)

Kite test?
2 pair of congruent cons. sides ( distance formula)