If the Surface area of a cube is 486 cm2 .Find the side length of the cube.
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Answer:
The length of its edge is 9 cm. Hence, the length of the cube is 9 cm.
Step-by-step explanation:
Total surface area of cube = 6 ( side )²
∴ 6 ( side )² = 486
⇒ ( side )² = 486 / 6
⇒ ( side )² = 81
⇒ side = √ 81
⇒ side = 9 cm
Hence, the length of the cube is 9 cm.
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