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Q4. Volume of a cube whose surface area is 486 sq. meter is equal to 729 cu. meter 27 cu. meter 324 cu. meter

Question

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## Answers ( )

GIVEN:TOFIND:SOLUTION:Let the side of the cube bem

‘x’We know that the formula for finding the Surface area of cube is:-

Accordingtoquestion:–Sideofcube=9mTo find the volume of cube, we use the formula:-

Accordingtoquestion:–❝729m³❞______________________Given ,We know that , the total surface area of cube is given byThus ,486 = 6 × (side)²

(side)² = 81

side = √81

side = 9 m

Now , the volume of cube is given byThus ,Volume = (9)³

Volume = 729 m³