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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?

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by Vincen » Tue Sep 08, 2020 7:18 am

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Difficulty—

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

Answer: E

Source: GMAT Paper Tests
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Re: Each edge of a cubical block of wood measures 2 inches. What is the surface area of the block in square inches?

by Scott@TargetTestPrep » Fri Sep 11, 2020 1:17 pm
Vincen wrote: ↑
Tue Sep 08, 2020 7:18 am
 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

Answer: E

Solution:

Since the surface area of a cube with side length s is 6s^2, the surface area of a cubical block with side length 2 inches is 6 x 2^2 = 24 square inches.

Answer: E

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