Three cubes each of volume 125 cm are joined end to end find the surface area of cuboid
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Answered by
1
Answer:
350cm^2
Step-by-step explanation:
volume of one cube = 125cm^3
therefore side = 5cm
sides of resulting cuboid = 15cm, 5cm,5cm
therefore surface area = 2(lb+bh+hl)=2(75+25+75)
= 2* 175 = 350cm^2
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Answered by
13
Step-by-step explanation:
Volume of each cube = 125 cu cm
Then, side of each cube = 5cm
If these are joined, then the dimensions of cuboid
Length = 15 cm, Breadth = 5 cm, Height = 5 cm
Total surface area of cuboid = 2(lb + bh + hl)
= 2(15 × 5 + 5 × 5 + 5 × 15)
= 2(75 + 25 + 75)
= 2 × 175
= 350 sq cm
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