DifferEnttypesof

QUADRILATERALS

DifferEnttypesof

QUADRILATERALSA powerpoint presentation by

Carmelo Ellul Head of Department (Mathematics)

General Properties

Rectangle

Parallelogram

Trapezium

Square

Rhombus

• Click button to select a quadrilateral.

QUADRILATERALSQUADRILATERALS

• 4 vertices

A.

B.

C.

D.

• 4 sides• 4 angles

QUADRILATERALSQUADRILATERALS

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.

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

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The TRAPEZIUMThe TRAPEZIUM

• Discuss and write down the properties of a trapezium with your friend.

• One pair of opposite sides are parallel

The TRAPEZIUMThe TRAPEZIUM

• One pair of opposite sides are parallel

The TRAPEZIUMThe TRAPEZIUM

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The PARALLELOGRAMThe PARALLELOGRAM

• Draw a parallelogram and try to find as many of its properties as you can.

The PARALLELOGRAMThe PARALLELOGRAM

• Opposite sides are equal

• Opposite sides are parallel• Opposite angles are equal

• Diagonals bisect each other

The PARALLELOGRAMThe PARALLELOGRAM

• Opposite sides are equal

• Opposite sides are parallel• Opposite angles are equal

• Diagonals bisect each otherMAIN MENU END SHOW

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).

The RHOMBUSThe RHOMBUS

• All sides are equal• Opposite sides are parallel• Opposite angles are equal

• Diagonals bisect each other at 90°

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

The RECTANGLEThe RECTANGLE

• How many properties belonging to the rectangle can you find?

The RECTANGLEThe RECTANGLE

• Opposite sides are equal• Opposite sides are parallel• All angles are right angles (90o)• Diagonals are equal and bisect one another

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 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.

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

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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