Pls help solve

[Tommieboi918]

A rectangilar wooden crate has inside dimensions 3 meters by 4 meters by 12 meters. What is the length, in meters, of the longest, straight, inflexible rod of negligible diameter that can be placed completely within the crate?

a) 12
b) 12.6
c) 13
d) 19
e) 24

[Test Taker]

I go with C.

Basically the Q is asking to find the length of the diagonal.

[pacopaco]

3-4-5 for the top... makes a 5-12-13 triangle to get the diagonal. C

[miaw99]

The answer is C
It's the diagonal of the crane.

[DMoney]

Yup.. C..

SqRt of 3^2+4^2+12^2

=SqRt of 169

=13

[RamN]

Originally Posted by Tommieboi918

A rectangilar wooden crate has inside dimensions 3 meters by 4 meters by 12 meters. What is the length, in meters, of the longest, straight, inflexible rod of negligible diameter that can be placed completely within the crate?

a) 12
b) 12.6
c) 13
d) 19
e) 24

The longest diagnol should be the answer.. It is 12 mtrs....

Consider one face of the crate that is 4 mtrs wide and 12 mtrs long.. The diagnol would be 4 sq.rt of 12... Now this will be the length of the triangle we will be considering, the height of which is 3 mtrs. The hypotenuse found will be the longest,straight, inflexible rode i.e., 13