Area - Arithmetic Aptitude Questions and Answers

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Discussion :: Area

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?

5 $\frac { 1 } { 4 }$

13 $\frac { 1 } { 2 }$

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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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