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    What is the area of the jogging track which is 2 m wide that runs along the perimeter of a rectangle 20 m × 18 m inside it?
    Question

    What is the area of the jogging track which is 2 m wide that runs along the perimeter of a rectangle 20 m × 18 m inside it?

    A.

    136 m2136\ m^2​​

    B.

    168 m2168 \ m^2​​

    C.

    200 m2200\ m^2​​

    D.

    140 m2140\ m^2​​

    Correct option is B

    Given:

    Length of the rectangle = 20m

    Breadth of the rectangle = 18m

    Width of the jogging track = 2m

    Formula Used:

    Area of rectangle = Length×\times Breath 

    ​​​Solution:

    Length of the jogging track = 20+2+2 = 24

    Breadth of the jogging track = 18+2+2 = 22

    The area of the jogging track = [(24×22) – (20× 18)]

    = [(528 – 360)]

    =168

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