Question

what is the formula of diagonal of cube and cuboid

Answer 1

HI !

Formula for finding the length of diagonal of cube :-

Let the edge of a cube be "a"
Then the length of diagonal is √3 a

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Formula for finding the length of diagonal of cuboid :-

Let the length and breadth  and height of the cuboid be "l" and "b" and "h" respectively

Length of diagonal :-
$\sqrt{ l^{2} + b^{2} + h^{2} }$

Answer 2

Formula for finding the length of diagonal of cube :-

Let the edge of a cube be "a"

Then the length of diagonal is √3 a

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Formula for finding the length of diagonal of cuboid :-

Let the length and breadth  and height of the cuboid be "l" and "b" and "h" respectively

Length of diagonal :-

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