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What is the surface area of a cube that has an edge of 7 cm.

User Thoomas
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2 Answers

24 votes
24 votes

Answer: Your answer should be 294 cm2.

User Ken Shoufer
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2.7k points
11 votes
11 votes

Answer:

294 cm²

Explanation:

A cube has 6 congruent square faces. The surface area is the sum of the area of the 6 faces.

area of one face = 7 × 7 = 49 cm²

surface area = 6 × 49 = 294 cm²

User Melanie
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2.6k points