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# Maths pr

## on May 09, 2011

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K J Somiaya Comprehensive College of education. PPT presentation of CAP

K J Somiaya Comprehensive College of education. PPT presentation of CAP

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## Maths prPresentation Transcript

• 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4
• Types of Quadrilateral Sharmin Nayek Roll no 42 B.ED -2010-2011
• Content
• Quadrilateral just means &quot;four sides&quot;  ( quad   means four,  lateral  means side). Any four-sided shape is a Quadrilateral But the sides have to be  straight , and it has to be  2-dimensional . Quadrilaterals
• There are special types of Quadrilateral
• SQUARE
• Definition -A quadrilateral with all congruent sides & each angle a right angle is called a Square
A B C D ABCD is square
• Properties of Square
• Square has equal sides
• Every angle is right angle
• Opposite sides are parallel
• Diagonals of square are congruent
• Diagonals of square bisect each other
• Each diagonal of square is perpendicular bisector of the other.
A B C D O
• Rectangle
• A quadrilateral with each angle a right angle and opposite side congruent is called a rectangle.
A B C D
• Properties of rectangle
• Every angle is right angle
• Opposite sides are congruent
• Opposites sides are parallel
• Diagonals of rectangle are congruent
• Diagonals of rectangle bisect each other
O A B C D
• RHOMBUS
• A quadrilateral having all sides congruent is called a rhombus.
• Properties of Rhombus
• All sides are congruent
• Opposite angles are equal
• Opposite sides are parallel
• The diagonals of a rhombus bisect each other
• Each diagonals of a rhombus is the perpendicular bisector of the other.
• PARALLELOGRAM
• A quadrilateral which has opposite sides parallel is called a parallelogram.
• Properties of Parallelogram
• Opposite sides are parallel
• Opposite sides of parallelogram are congruent
• Opposites angles of parallelogram are congruent
• Diagonals of parallelogram bisect each other.
• TRAPEZIUM
• The quadrilateral in which only one pair of opposite sides is parallel is called trapezium.
• Properties of Trapezium
• Only one pair of opposite side is parallel.
• KITE
• A quadrilateral in which there are two pairs of sides & each pair is made up of adjacent sides that are equal in length is called kite.
• Properties of Kite