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AHBAHB

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TOPICGEOMETRICAL FIGURES

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WHAT IS THIS ?

A RIGHT ANGLED TRIANGLE

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WHAT IS THIS ?

CIRCLE OCTOGEN

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HOW MANY SIDES ARE THERE IN OCTOGEN?

• EIGHT

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FOUR SIDES TWO DIMENSIONAL FIGURES

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THREE DIMENSIONAL FIGURES

CYLINDER CUBE CUBOID

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NAMES OF GEOMETRICAL FIGURES

SIDES NAMES

SEVEN

EIGHT

PENTAGON

QUADRILATERAL

TRIANGLETHREE

FOUR

FIVE

SIXHEXAGON

SEVANAGON

OCTOGEN

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THREE SIDES BOUNDED FIGURES IS CALLED

TRIANGLE

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FOUR SIDES BOUNDED FIGURES IS CALLED

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Properties of Square

1. All the sides are equal

2. Opposites sides are parallel

3. All the angles are equal to right angle

4. Diagonals are equal

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8 cm

?

?

?

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Properties of Rectangle

1. OPPOSITE SIDES ARE EQUAL

2. OPPOSITE SIDES ARE PARALLEL

3. ALL THE ANGLES EQUAL TO RIGHT ANGLES

4. Diagonals are equal

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15 cm

5 cm ?

?

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Properties of Rhombus

1. All the sides are equal

2. Opposites sides are parallel

3. Opposite angles are equal

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Properties of Parallelogram

1. Opposite sides are equal

2. Opposite sides are parallel

3. Opposite angles are equal

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1. Any one pair of opposite sides are parallel

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FORMULASSQUARE

RECTANGLE

RHOMBUS

PARALLEOGRAM

TRAPEZIUM

AREA : SIDE X SIDE

PERIMETER : 4 X SIDE

AREA : L X B

PERIMETER : 2( L + B )

AREA : ½ x d1 xd2

AREA : BASE X HEIGHT

AREA : ½ X h x (a + b)

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Cylinder

HEXAGON

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Triangle

Circle

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RECTANGLE

SQUARE

TRAPEZIUM

RHOMBUS

PARALLEOGRAM

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CYLINDER

CUBOID

CUBE

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FILL IN THE BLANKS

1. ALL THE SIDES ARE ______IN A SQUARE.

2. IN A RECTANGLE ALL THE ANGLES ARE EQUAL TO _______

3. IN A CUBE THERE ARE ______ SIDES. 4. IN A TRAPEZIUM ONE OF THE PAIR OF

OPPOSITE SIDES ARE ______ 5. DIAGONALS ARE BISECT AT 90’ IN_____

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