Volumes Practice Test 1

Question : 19 of 40

Marks: +1, -0

The length of the longest rod that can be placed in a room 12 m long, 9 m broad and 8 m high is

Solution:

The longest rod that can be placed in the cuboidal room = Length of the diagonal
=

√{l^2+b^2+h^2}

√{(12)^2+(9)^2+(8)^2}

√{144 + 81+64}

√{289}

= 17 m

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