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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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

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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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