Quadrilaterals - Properties
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Transcript of Quadrilaterals - Properties
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DifferEnttypesof
QUADRILATERALS
DifferEnttypesof
QUADRILATERALSA powerpoint presentation by
Carmelo Ellul Head of Department (Mathematics)
![Page 2: Quadrilaterals - Properties](https://reader033.fdocuments.net/reader033/viewer/2022061406/55721171497959fc0b8efba5/html5/thumbnails/2.jpg)
General Properties
Rectangle
Parallelogram
Trapezium
Square
Rhombus
• Click button to select a quadrilateral.
QUADRILATERALSQUADRILATERALS
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• 4 vertices
A.
B.
C.
D.
• 4 sides• 4 angles
QUADRILATERALSQUADRILATERALS
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QUADRILATERALSQUADRILATERALS
A.
B.
C.
D.
360o
The sum of ALLALL the angles of a
quadrilateral is 360o
The sum of ALLALL the angles of a
quadrilateral is 360oC
.
A.
D.
B.
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QUADRILATERALSQUADRILATERALS
A.
B.
C.
D.
360o
The sum of ALLALL the angles of a
quadrilateral is 360o
The sum of ALLALL the angles of a
quadrilateral is 360o
MAIN MENU END SHOW
![Page 6: Quadrilaterals - Properties](https://reader033.fdocuments.net/reader033/viewer/2022061406/55721171497959fc0b8efba5/html5/thumbnails/6.jpg)
The TRAPEZIUMThe TRAPEZIUM
• Discuss and write down the properties of a trapezium with your friend.
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• One pair of opposite sides are parallel
The TRAPEZIUMThe TRAPEZIUM
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• One pair of opposite sides are parallel
The TRAPEZIUMThe TRAPEZIUM
MAIN MENU END SHOW
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The PARALLELOGRAMThe PARALLELOGRAM
• Draw a parallelogram and try to find as many of its properties as you can.
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The PARALLELOGRAMThe PARALLELOGRAM
• Opposite sides are equal
• Opposite sides are parallel• Opposite angles are equal
• Diagonals bisect each other
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The PARALLELOGRAMThe PARALLELOGRAM
• Opposite sides are equal
• Opposite sides are parallel• Opposite angles are equal
• Diagonals bisect each otherMAIN MENU END SHOW
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The RHOMBUSThe RHOMBUS
• Draw a rhombus of side 6 cm and discuss the properties of the rhombus with your friend (you can use a dictionary if you want).
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The RHOMBUSThe RHOMBUS
• All sides are equal• Opposite sides are parallel• Opposite angles are equal
• Diagonals bisect each other at 90°
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The RHOMBUSThe RHOMBUS
• All sides are equal• Opposite sides are parallel• Opposite angles are equal
• Diagonals bisect each other at 90°MAIN MENU END SHOW
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The RECTANGLEThe RECTANGLE
• How many properties belonging to the rectangle can you find?
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The RECTANGLEThe RECTANGLE
• Opposite sides are equal• Opposite sides are parallel• All angles are right angles (90o)• Diagonals are equal and bisect one another
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The RECTANGLEThe RECTANGLE
• Opposite sides are equal• Opposite sides are parallel• All angles are right angles (90o)• Diagonals are equal and bisect one another
MAIN MENU END SHOW
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The SQUAREThe SQUARE
• Play a game with your friend. In one minute each of you must write as many properties the square has on a piece of paper. The one with the greatest number of correct properties is the WINNER.
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The SQUAREThe SQUARE
• All sides are equal• Opposite sides are parallel
• All angles are right angles (90o)
• Diagonals are equal and bisect one another at right angles
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The SQUAREThe SQUARE
• All sides are equal• Opposite sides are parallel
• All angles are right angles (90o)
• Diagonals are equal and bisect one another at right angles
MAIN MENU END SHOW