Question

A book leans against a bookend at a 45 degree angle. If the book has an approximate length of 10 square root of 14 inches, what is the distance between the bottom of the book and the bookend? Give your answer in radical and decimal form.

Answer 1

this is a special right triangle. 45,45,90

Answer 2

what do you know about it?

Answer 3

um well

Answer 4

The thing is, i just want to know, when it's \[10\sqrt{14} / sq root of 2, do I divide 14 by 2? I'm pretty sure you do.