Section: Mathematics Usage

53) A right triangle has a hypotenuse of 30 inches and a first leg of 18 inches. What is the length of the second leg?

1. 6"
2. 20"
3. 24"
4. 36"
5. 42"
6. No Answer Selected

To solve this you must use the Pythagorean theorem: a² + b² = c²

a² + 18² = 30²

After calculating this formula a will equal 24".