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The figure above is made up of 5 squares of equal area, with a total a

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Bunuel
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The figure above is made up of 5 squares of equal area, with a total a [#permalink] New post   11 Jan 2019, 02:02
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The figure above is made up of 5 squares of equal area, with a total area of 20. What is the perimeter of the figure?

A. 20
B. 24
C. 36
D. 48
E. 100

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yash312
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Re: The figure above is made up of 5 squares of equal area, with a total a [#permalink] New post   11 Jan 2019, 02:07
IMO B

24

Area of each *5=20
each area =4
each side =2

total side are 12.....therefore perimeter is 12*2=24
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Re: The figure above is made up of 5 squares of equal area, with a total a [#permalink] New post   26 Sep 2019, 11:34
Bunuel wrote:

The figure above is made up of 5 squares of equal area, with a total area of 20. What is the perimeter of the figure?

A. 20
B. 24
C. 36
D. 48
E. 100

Show Spoiler
Attachment:
2019-01-11_1301.png


Let side of each square = x

Area of each square = \(x^2\)

Therefore,
\(5x^2=20\)
\(=> x^2 = 4\)
\(=>x = 2\)

Therefore Perimeter of the figure = 3*2 + 3*2 + 3*2 + 3*2 =24 (B)
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Re: The figure above is made up of 5 squares of equal area, with a total a [#permalink] New post   14 Oct 2019, 14:40
Bunuel wrote:

The figure above is made up of 5 squares of equal area, with a total area of 20. What is the perimeter of the figure?

A. 20
B. 24
C. 36
D. 48
E. 100

Show Spoiler
Attachment:
2019-01-11_1301.png


Area of each square = 4
Side of each square = 2

Each of the outer square is contributing 3 sides to the perimeter which is 6.
There are 4 such squares.

4*6=24
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Re: The figure above is made up of 5 squares of equal area, with a total a [#permalink]
14 Oct 2019, 14:40
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