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The length of the longest rod that can be fitted in a cuboid vessel of edge 10 cm long, is A. 10 cm B. 10√2 cm C. 10√3 cm D. 20 cm

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The length of the longest rod that can be fitted in a cuboid vessel of edge 10 cm long, is

A. 10 cm

B. 10√2 cm

C. 10√3 cm

D. 20 cm

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1 Answer

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Best answer

Correct option is C. 10√3 cm

Given,

Edge of cube = 10 cm

Longest rod that can be fitted in cube = diagonal of cube = √3a

= √3a = 10√3 cm

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