In basketball, free-throws are taken from the free-throw line, which is 13 feet from a point directly below the basket. The basket is 10 feet above the floor. How far is it from the free-throw line to the basket?
If you draw a straight line from the basket to the free-throw line, then you have a triangle, and the problem is asking you to calculate the length of the hypotenuse of the triangle. You can do this calculation with the Pythagorean Theorem: