Two cubes each of volume 125 cm cubic are joind end to end to form a solid find the surfaces area of resulting cuboid
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volume of cube => a^3=125
=>a= 5cm
surface area = 6a^2 => 6*5*5 = 150cm2
=>a= 5cm
surface area = 6a^2 => 6*5*5 = 150cm2
himanshu351:
its wrong
then
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side of each cube = (125)^¹/³ = 5cm
if both are joined then one side of new solid is 10 and other remain same ie 5...
so surface area of cuboid= 2(lb+bh+hl)
=2(10*5+5*5+10*5)
=2(125)=150cm^2
if both are joined then one side of new solid is 10 and other remain same ie 5...
so surface area of cuboid= 2(lb+bh+hl)
=2(10*5+5*5+10*5)
=2(125)=150cm^2
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