Mathematics
NULL
Medium
Question
The edge of a cube is 2a cm. Find its surface area.
A
6a² cm²
B
8a² cm²
C
12a² cm²
D
24a² cm²
✓ Official correct answer
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A
6a² cm²
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B
8a² cm²
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C
12a² cm²
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D
24a² cm²
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Explanation
Surface area = 6(2a)² = 24a² cm².