You have a rectangular box with the length of 30cm, width of 15, and height of 25cm. You would like to send your friend several posters. When rolled up the length of the tube formed is 35cm. Will you be able to send the posters in the box without bending them.

2 answers

corner to corner is sqrt(15^2+30^2+25^2)

work it out.
how does trig work into this??