Question

Prove that the diagonal is the biggest rod that can kept in a cuboid.

(Remember you don't just need to right the formula but need to prove that)

Best Answer Will Get Brainliest Mark​

Answer 1

Step-by-step explanation:

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

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