Question

Find the length of the longest rod placed
in a room 30m long 24m broad12root2m
high​

Answer 1

Answer:

length of the longest rod = diagonal of the room

diagonal= √30*30+24*24+12√2* 12√2

= √900+576+288

=√1764= 42 cm

Answer 2

Answer:

42m

Step-by-step explanation:

The longest rod should be of size of body diagonal

$\sqrt{ {30}^{2} + {24}^{2} + {(12 \sqrt{2}) }^{2} } \\ \sqrt{900 + 576 + 288 } \\ \sqrt{1764 } \\ 42$