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If length is to breadth ratio of a recta...

If length is to breadth ratio of a rectangle is 5:2 and area of the rectangle is `70m^2`, then find the perimeter of the rectangle.

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The area of a square and a rectangle are equal.If the side of the square is 40cm and the breadth of the rectangle is 25cm ,find the length of the rectangle.Also,find the perimeter of the rectangle.

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Knowledge Check

  • The difference between the length and the breadth of a rectangle is 7 Cms and the perimeter of the rectangle is 50 Cms What is the area of the rectangle ?

    A
    144 Sq Cms
    B
    154 Sq Cms
    C
    288 Sq Cms
    D
    216 Sq Cms

  • Ratio of-length to breadth of a rectangle is 5:4. If the area of that rectangle is 720 cm2 and breadth of this rectangle is equal to the side of a square then find the area of that square.

    A
    `490cm^2`
    B
    `520 cm^2`
    C
    `640 cm^2`
    D
    `576 cm^2`

  • The ratio between the perimeter and the breadth of a rectangle is 3 : 1. If the area of the rectangle is 310 sq. cm, the length of the rectangle is nearly:

    A
    `11.45` cm
    B
    `10.45` cm
    C
    `12.45` cm
    D
    `13.45` cm

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    The ratio between the perimeter and the breadth of a rectangle is 3 : 1. If the area of the rectangle is 310 sq. cm, the length of the rectangle is nearly:

    If the length and breadth of a rectangle are in the ratio 13: 8 and its perimeter is 420 m, then find the area of the rectangle.

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