Question

The diagonal of a cuboid of length 5 cm, width 4cm and height 3cm is

Answer 1

$digonal \: of \: \: cuboid \: = \sqrt{l { }^{2} } + \sqrt{b {}^{2} } + \sqrt{h ^{2} } \\ 5 ^{2} + 4 ^{2} + 3^{2} \\ 25 + 16 + 9 = 50$