Question

Three cubes of edges 8 cm are joined end to end. Find the surface area of the resulting cuboid
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Answer 1

Answer:

$The  \: \: surface \: \: area \: \: of \: \: the \: \: resulting \: \: cuboid  \: \: is \: \: 896 .$

Answer 2

☆Answer •••••••••

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$two \: cubes \: with \: edge \: 8cm \: are \: joined \: \\ new \: lenght \: = 2(8cm) = 16cm \\ new \: breadth \: = 8cm \\ new \: height = 8cm \\ surface \: area \: of \: cuboid =2 (lb + bh + hl) \\ = 2(16 \times 8 + 8 \times 8 + 8 \times 16) \\ 2(320) \: = 640cm ^{2}$