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Discussion :: Area

  1. The diagonal of the floor of a rectangular closet is7 \(\frac { 1 } { 2 } \) feet. The shorter side of the closet is 4\(\frac { 1 } { 2 } \)feet. What is the area of the closet in square feet?

    2. A.

    5\(\frac { 1 } { 4 } \)
    B.

    13\(\frac { 1 } { 2 } \)
    C.

    27
    D.

    37

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    Answer : Option C

    Explanation :

    Other side=\( {\sqrt{[15/2}-[9/2 ]^2 } { } \)ft

                 

                      =\( {\sqrt{225/4}-81/4 } { } \)ft

                 

                     =\( {\sqrt{144/4} } { } \) ft

                 

                    =6 ft

     

     Area of closet = (6 x 4.5) sq. ft = 27 sq. ft.

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