A cube of size 3m and a cuboid of size 6m *2m*5m both are painted with a colour find for which of the object more other colour is used.
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total surface area of cube=6a^2
=6×3×3=54cm^2
total surface area of cuboid=2(lb+bh+hl)
=2(12+10+30)
=2×52=104cm^2
cuboid have more total surface area than cube.so for cuboid more colour is used.
=6×3×3=54cm^2
total surface area of cuboid=2(lb+bh+hl)
=2(12+10+30)
=2×52=104cm^2
cuboid have more total surface area than cube.so for cuboid more colour is used.
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cuboid will use more of colour.
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