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ashishsinghmarch15
@ashishsinghmarch15
September 2023
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The dimensions of a cuboid are in the ratio of 2:3:4 and its total surface area is 280 m2 (a) Find the total surface area
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DυƙҽPHσҽɳιx
Verified answer
Step-by-step explanation:
we know that
TSA = 2(lb + bh + lh)
280 = 2(2x × 3x + 3x × 4x + 2x × 4x)
280 = 2(6x² + 12x² + 8x²)
280 = 2(26x²)
280 = 52x²
280/52 = x²
√5.3 = x
2.3 = x
Therefore,
Length = 2x = 2 × 2.3 = 4.6 mBreadth = 3x = 3 × 2.3 = 6.9 mHeight = 4x = 4 × 2.3 = 9.2 m
please mark me as the brainliest and I hope this answer helps
3 votes
Thanks 6
ankitat2903
PLEASE MARK ME BRAINLIST
2 votes
Thanks 4
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Answers & Comments
Verified answer
Step-by-step explanation:
we know that
TSA = 2(lb + bh + lh)
280 = 2(2x × 3x + 3x × 4x + 2x × 4x)
280 = 2(6x² + 12x² + 8x²)
280 = 2(26x²)
280 = 52x²
280/52 = x²
√5.3 = x
2.3 = x
Therefore,
Length = 2x = 2 × 2.3 = 4.6 mBreadth = 3x = 3 × 2.3 = 6.9 mHeight = 4x = 4 × 2.3 = 9.2 m
please mark me as the brainliest and I hope this answer helps
PLEASE MARK ME BRAINLIST