Aptitude - Area - Discussion

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"Life is like riding a bicycle. To keep your balance you must keep moving."

- Albert Einstein

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

[A].

5	1
	4

[B].

13	1
	2

[C].

[D].

Answer: Option B

Explanation:

Other side =

15 2 - 9 2

2 2

ft

=

225 - 81

4 4

ft

=

144

4

ft

= 6 ft.

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

Kiran Joy said: (Fri, Jun 17, 2011 03:32:48 PM)

Closet only means a closed space. So here in a rectangle diagonal=7. 5 feet and breadth=4. 5 feet. So using hypotenuse2=base2+altitude2 we can easily find the lenght. So area= l*b.

Divya said: (Mon, Jul 11, 2011 11:29:15 AM)

Shorter side( width) = 4 1/2 = 9/2= 4.5 other side(length) = 6 Area= 6*4.5 = 27