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FAMILY OF QUADRILATERAL
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04/13/23 1
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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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