Question

There cubes each of side 5cm are joined end to end to from a cuboid .find the surface of the resulting cuboid?????

Answer 1

Length of the cuboid = 15 cm
Width of cuboid = 5 cm
Height of cuboid = 5cm

Surface Area = 2(LB*BH*HL)
= 2(15*5+5*5+5*15)
= 2(75+25+75)
= 2(175)
= 350

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Answer 2

Hiiii Akanksha,

Edge of each cube = 5cm
length of resulting cube= 15cm
breadth of resulting cube= 5cm
height of resulting cube= 5cm
Therefore,
TSA of area of the cuboid= 2(lb+bh+hl)
=2(15×5+5×5+5×15)
= 2(75+25+75)=2×175=350cm²

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