AKHILESH PRO 1

8/7/2019 AKHILESH PRO 1

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The fold crease


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A quadrilateral is a

PARALLELOGRAMif and only if it

has two sets ofparallel sides


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1.BOTH pairs of opposite sides are parallel2.BOTH pairs of opposite sides arecongruent

3.BOTH pairs of opposite angles arecongruent

4.C

onsecutive angles are supplementary

5.diagonals BISECT each other


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1. Opposite sides parallel.

2. Opposite sides congruent.

3. Opposite angles are congruent.

4. Consecutive angles are supplementary.

5. Diagonals bisect each other.


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A parallelogram withFOUR RIGHT ANGLES


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RECTANGLE if andonly if it has four

right angles


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Diagonals are Congruent


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1. Has 4 right angles.

2. Diagonals are congruent.

3. All properties of parallelogram.







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A parallelogram with FOURCONGRUENTSIDES


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RHOMBUS

if andonly if it has four

congruent sides


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Diagonals Bisect A Pair ofOpposite Angles


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Diagonals are Perpendicular


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1. Has 4 Congruent sides

2. Diagonals bisect opposite angles.

3. Diagonals are perpendicular.

4. All properties of parallelograms.










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A parallelogram with

FOUR RIGHT ANGLESAND FOUR CONGRUENT

SIDES


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A quadrilateral is aSQUARE if and

only if it has fourcongruent sides

and four rightangles


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Holds same properties as

Rhombus and Rectangle


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1. 4 congruent sides and 4 congruent

(right) angles

2. All properties of parallelogram,

rectangle, and rhombus


2.Opposite sides congruent

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2.Opposite sides congruent

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1. 4 congruent sides and 4 congruent

(right) angles

2. All properties of parallelogram,

rectangle, and rhombus


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ONE PAIR OF PARALLELSIDES


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A quadrilateral is atrapezium if andonly if it has one

pair of parallelsides


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Isosceles:D

iagonals are congruent


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AKHILESH PRO 1

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