Question

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 √3cm
D. 20 cm

Answer 1

Answer:

10√3 cm

Step-by-step explanation:

longest rod means diagonal

diagonal =side√3

10*√3

10√3cm

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Answer 2

Given : Edge of a cubical vessel , (a) = 10 cm

To find : The length of the longest rod that can be fitted in a cubical vessel.

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

= √3 × 10 cm

= 10√3 cm

Hence, the length of the longest rod that can be fitted in a cubical vessel is 10√3 cm.  

Option (C) 10√3 cm is correct.

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