Question

Mr. Al Gebra starts 20meters south and then 40 meters west How Far is Mr.Al Gebra from his tent?

Answer 1

http://www.1728.com/pyright.gif There is The picture of the Figure

Answer 2

Pythagorean Theorem states that \[a^{2} + b^{2} = c^{2}\] so \[c = \sqrt{40^{2} + 20^{2}}\] which is equal to \[\sqrt{1600 + 400}\]