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31 Oct 2018, 05:12
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E
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Difficulty:
5%
(low)
Question Stats:
90% (00:26) correct
10%
(00:44)
wrong
based on 160
sessions
History
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Each edge of a cubical block of wood measures 2 inches. What is the surface area of the block in square inches?
(A) 4
(B) 8
(C) 12
(D) 16
(E) 24
(A) 4
(B) 8
(C) 12
(D) 16
(E) 24
31 Oct 2018, 09:47
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pushpitkc
The shape of "Cubical block of wood" is a CUBE.
A cube has 6 faces(all square shaped) of equal area, where area of any face=\((edge)^2\)
So, surface area of the block=\(6*2^2=24\) sq. inches
Ans. (E)
02 Nov 2018, 17:07
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pushpitkc
Each face is 2^2 = 4 square inches, and there are 6 faces on a cube. Thus, the surface area is 6 x 2^2 = 6 x 4 = 24 square inches.
Answer: E
