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Each dimension of the rectangular solid pictured is an integ
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06 May 2018, 10:14
06 May 2018, 10:14
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Each dimension of the rectangular solid pictured is an integer less than 6. Which of the following is the total surface area of the solid?
A. 24
B. 52
C. 60
D. 68
E. 78
Re: Each dimension of the rectangular solid pictured is an integ
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03 Aug 2018, 21:43
03 Aug 2018, 21:43
Carcass wrote:
Attachment:
cube2.jpg
Each dimension of the rectangular solid pictured is an integer less than 6. Which of the following is the total surface area of the solid?
A. 24
B. 52
C. 60
D. 68
E. 78
Volume of the rectangular solid = \(length * width * Height\)
or\(24 = Length * 4 * Height\)
or \(Length * Height = 6\)
Since it is given all sides are less than 6 and are integer
so we can take Length = 3 and Height = 2 or vice-versa as it will end up the same result
Now Surface Area of the rectangular solid =\(2 * ( Length * width) + 2 * (Width * Height) + 2 * (Length * Height) = 2 * ( 12 + 8 + 6) = 52\)
gmatclubot
Re: Each dimension of the rectangular solid pictured is an integ [#permalink]
03 Aug 2018, 21:43
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