Question

The length of the longest rod that can be placed in a room of dimen 12m*4m*3m ​

Answer 1

Answer:

13 meters

Step-by-step explanation:

diagonal of cuboid =$\sqrt{l^{2}+b^{2}+h^{2} }$

Answer 2

ANSWER

Given that:

length l=12m

breadth b=9m

and

height h=8m

Longest rof that can be placed in a room is nothing but its diagonal.

Length of diagonal of a cuboid=

(l

2

+b

2

+h

2

)

Length of longest rod =

(12

2

+9

2

+8

2

)

m=

(144+81+64)

m=

289

m=17m

The length of the longest rod is 17m.