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1. If the value of a cube is 27 cubic meters, find the the surface area of the cube?
- A. 9 square metre
- B. 9 square metre
- C. 9 square metre
- D. 9 square metre
Answer: Option C
Explanation:
V= a3
A = 6a2
27 =a3 or a=3
A = 6 × a2 = 54
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