Three cubes of side 4 cm are joined to form a cuboid, find the surface area of the resulting cuboid.
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Step-by-step explanation:
three cube of side 4 cm so
the length of cuboid is 12 cm
width of cuboid is 4 cm
and height of cuboid is 4 cm
the total surface area of cuboid
=2(lb+bh+hl)
=2(12*4+4*4+12*4)
=2(48+16+48)
=2*112
=224sq. cm
hope it will help you ❤❤
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