find the total surface area of the cuboid with l 4 m,b 3 m,and h 1.5 m
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Surface are of the cuboid = 2(lb+bh+lh)
=> 2(4*3+3*1.5+4*1.5)
=> 2(12+4.5+6)
=> 2*22.5
=> 45m^3
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total surface area of cuboid=2(lb+bh+hl)
=2(14×3+3×1.5+1.5×14)
=2(42+4.5+21)
=2×67.5
=135m
amansarrafas24payxgs:
its not 14 it was length (l) and l = 4m
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