a rectangular stall covers an area of 29 3/4 sq.m if the breadth of the stall is 3 1/2m . find its length​

a rectangular stall covers an area of 29 3/4 sq.m if the breadth of the stall is 3 1/2m . find its length​

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  1. Answer :-

    • The length of the rectangular stall is 8 1/2 m.

    To find :-

    • The length of the rectangular stall.

    Solution :-

    • In this question, the breadth and area of a rectangular stall is given to us. We have to find it’s length. The stall is in the shape of a rectangle as it’s a rectangular stall. So, to find it’s length using it’s area, we will use the formula required for finding the area of a rectangle.

    We know that :-

    [tex]\underline{\boxed{\sf Area \: of \: a \: rectangle = Length \times Breadth}}[/tex]

    Here,

    • Area = 29 3/4 sq.m.
    • Breadth = 3 1/2 m.
    • Let the length of the stall be “l” m.

    Substituting the given values in this formula,

    [tex]\leadsto \rm 29 \dfrac{3}{4} = l \times 3 \dfrac{1}{2}[/tex]

    Converting the mixed fractions into improper fractions,

    [tex]\leadsto\rm \dfrac{119}{4} = l \times \dfrac{7}{2}[/tex]

    Multiplying l with 7/2,

    [tex]\leadsto\rm \dfrac{119}{4} = \dfrac{7l}{2}[/tex]

    Transposing 2 from RHS to LHS, changing it’s sign,

    [tex]\leadsto\rm \dfrac{119}{4} \times 2 = 7l[/tex]

    Reducing the numbers,

    [tex]\leadsto\rm \dfrac{119}{2} \times 1 = 7l[/tex]

    Multiplying 119/2 with 1,

    [tex]\leadsto\rm \dfrac{119}{2} = 7l[/tex]

    Transposing 7 from RHS to LHS, changing it’s sign,

    [tex]\leadsto\rm \dfrac{119}{2} \div 7 = l[/tex]

    The reciprocal of 7 is 1/7, so multiplying 119/2 with 1/7,

    [tex]\leadsto\rm \dfrac{119}{2} \times \dfrac{1}{7} = l[/tex]

    Reducing the numbers,

    [tex]\leadsto\rm \dfrac{17}{2} \times \dfrac{1}{1} = l[/tex]

    Multiplying 17/2 with 1/1,

    [tex]\leadsto\rm \dfrac{17}{2} = l[/tex]

    Converting the improper fraction into mixed fraction,

    [tex]\leadsto\overline{\boxed{\rm 8\dfrac{1}{2} \: m= l}}[/tex]

    —————————————–

    • Hence, the length of the rectangular stall is 8 1/2 m.
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