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    Add as Friendmaths project on formulae

    by: achal

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    1 : MATHS PROJECTTOPIC : TYPES OF QUADRILATERALS
    2 : RECTANGLE AREA SIDES ANGLES DIAGANOLS DAIGANOLS BISECT EACH OTHER PERIMETER Lenght * Breath Four Sides.they are not equal. All Angles are equal Diaganols are equal Diaganols bisect each other . i.e. OA=OC and OB=OD 2(Length*Breath) D A C B O
    3 : square AREA SIDES ANGLES DIAGANOLS DIAGANOLS BISECT EACH OTHER PERIMETER Side*Side All Sides Are Equal All Angles Are Equal. Each angle is 90; Diaganols Are Equal Diaganols Bisect Each Other 4*Sides D A C B
    4 : RHOMBUS AREA SIDES ANGLES DIAGANOLS DIAGANOLS BISECT EACH OTHER PERIMETER (1/2)*Product of the diaganols All Sides Are Equal All Angles Are Equal. i.e All Angles Are 90 Diaganols Bisects Each Other At 90.i.e OA=OC; OB=OD 4*side D C A B
    5 : parallelogram AREA SIDES ANGLES DIAGANOLS DIAGANOLS BISECT EACH OTHER PERIMETER Base*Height Opposite sides are equal. i.e Ab=DC and AD=BC Opposite angles are equal They Are Not Equal Diaganols Bisect Each Other 2*(length*breath) D A C B
    6 : trapezium AREA SIDES ANGLES DIAGANOLS DIAGONALS BISECT EACH OTHER PERIMETER (1/2)*(Sum of parallel sides)*(distance between parallel sides) Sides are not equal Angles are not equal ______________ _______________ AB+BC+DC+AD A B D C
    7 : Done By: Name: Nischal.Raman Class : 9th ‘A’

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