Question

three cubes each of Edge 4 m are joined end to end find the surface area of the resulting cuboid this question is from volume surface area

Answer 1

edge of a cube:-4 m

edge of 3 cubes :-12 m

hence, length of cube:-12m

breadth of cube:-4 m

height of cube:- 4 m

Surface area= 2(lb+bh+lh)
=>2(12×4+4×4+12×4)
=> 2(48+16+48)
=>2×112
=224 m2 ans

Answer 2

if 3 cubes of edge 4cm are joined, it will become a cuboid of lengths
length =12cm
breadth=4cm
height =4cm
Surface area for resulting cuboid
=2(lb+bh+hl)
=2(12*4 + 4*4 +4*12)
=2(48 + 16 + 48)
=2(112)
=224 sq. cm
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