Question

What is the lenght of the longest rod that can be fit in the room of dimentions 3 feet*4feet*12feet.

Answer 1

Answer:

13 feet

Step-by-step explanation:

Diagonal of a cuboid = Length of longest rod

= $\sqrt{3^{2} +4^{2} +12^{2} } \\= \sqrt{9 + 16 + 144} \\\\= \sqrt{169}$

= 13 feet

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