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# If the hall is 6 1/2 feet long,

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If the hall is 6 1/2 feet long, [#permalink]  12 Jun 2018, 09:30
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Question Stats:

58% (01:26) correct 41% (01:16) wrong based on 12 sessions
The figure above shows the plan for the ground floor of a house. The thickness of the walls should be ignored in answering the questions. The dimensions are in feet, and each region is rectangular.

Attachment:

#GREpracticequestion If the hall is.jpg [ 44.16 KiB | Viewed 628 times ]

If the hall is $$6 \frac{1}{2}$$ feet long, what is perimeter, in feet, of the porcharea?

A. 18

B. 19

C. 20

D. 21

E. 22
[Reveal] Spoiler: OA

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Re: If the hall is 6 1/2 feet long, [#permalink]  02 Jul 2018, 20:21
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Carcass wrote:
Attachment:
plan.jpg

The figure above shows the plan for the ground floor of a house. The thickness of the walls should be ignored in answering the questions. The dimensions are in feet, and each region is rectangular.

If the hall is$$6 \frac{1}{2}$$ feet long, what is perimeter, in feet, of the porcharea?

A. 18

B. 19

C. 20

D. 21

E. 22

Here;

The length of the porcharea = $$19 \frac{1}{2}$$ - Length of the Hall - Length of the Kitchen

= $$6 \frac{1}{2}- 6 \frac{1}{2}- 8$$

$$= 5$$

Now the breadth of the poarcharea = $$19 \frac{1}{2} - 14$$ $$= 5\frac{1}{2}$$

Now the perimeter of the poarcharea = 2(Length + breadth) ; since it is a rectangle

$$= 2 (5 + 5\frac{1}{2})$$

$$= 21$$
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Re: If the hall is 6 1/2 feet long,   [#permalink] 02 Jul 2018, 20:21
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