Question

the surface areas of a cuboid of length 2cm breath 1cm height cm is​

Answer 1

Answer:

let the height be 'x'

TSA = 2(lb + bh + lh) [ TSA = total surface area]

= 2(2×1 + 1×x + 2×x)

= 2(2 + x + 2x)

= 4 + 2x + 4x

= 4 + 6x

1/x = 4+6

1/x = 10

x = 10×1

x = 10

height = 10 cm

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