Question

The length of the longest pole that can be kept in a room of size 12m × 9m × 8m is : 

(A) 29m 

(B) 17 m 

(C) 21m 

(D) 19 m

Answer 1

(B) 17 m

Longest Pole = Diagonal Length

= \(\sqrt{a^2+b^2+c^2} \)

= \(\sqrt{289}\)

= 17