If dimensions of a cuboid are in the ratio 2:5:3 and its total surface area is 248 cm, find the dimensions of the cuboid.plss explain it step by step
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Let, the length be 2xcm
Then, the breadth be 5xcm
And, the height be 3xcm
A/q
2(lb+ bh+lh) =248
2(2x×5x+5x×3x+2x×3x = 248
2(10x+15x+6x)= 248
2(31x)= 248
62x= 248
x=248/62
x=4
Hence, the length is (2×4)=8cm
Then, the breadth is (5×4)=20cm
And, th height is (3×4)=12cm
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