[[Image:Right_triangle.PNG|thumb|250px]]In a [[right triangle]], the '''hypotenuse''' is the side opposite the [[right angle|90° angle]].
+
[[Image:Right_triangle.PNG|thumb|250px]]In a [[right triangle]], the '''hypotenuse''' is the side opposite the [[right angle|90° angle]]. The hypotenuse is always the largest side, and given the legs of the triangle, can be calculated using the [[Pythagorean theorem]].