SOLUTION: In the open box illustrated, Gina wants to draw the shortest possible line inside the box, from point A to point B. What is the length of the line Gina hopes to draw? All measureme

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Question 1168085: In the open box illustrated, Gina wants to draw the shortest possible line inside the box, from point A to point B. What is the length of the line Gina hopes to draw? All measurements are in cm.
A) 2 √ 74
B) 8 √ 6
C) √ 310
D) 12 √ 2
E) 3 √ 30
https://imageshack.com/i/pmnSjbtmj
Found 2 solutions by ikleyn, Edwin McCravy:
Answer by ikleyn(52813) About Me  (Show Source):
You can put this solution on YOUR website!
.

If it is about finding the diagonal of the rectangle,

you can do it on your own by applying the Pythagorean formula.



Answer by Edwin McCravy(20060) About Me  (Show Source):
You can put this solution on YOUR website!

The trick is to open the box out flat.  Then it's easy as can be:



Just find the length of the red line using the Pythagorean
theorem. The red line is the hypotenuse of an isosceles right 
triangle.

Edwin