The diagonal of the floor of a rectangula… | Answer | TuitionWave

Subject

Quantitative Aptitude

Topic

Areas & Volumes

The diagonal of the floor of a rectangular closet is 7 $\frac12$ feet. The shorter side of the closet is 4 $\frac12$ feet. What is the area of the closet in square feet?
Reading

ক)

9

খ)

18

গ)

27

ঘ)

36

Explanation

Other side =

\sqrt{d^2-s^2}

=

\sqrt{\left(\frac{225}4-\frac{81}4\right)}

=

\sqrt{\frac{144}4}

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

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