The hypotenuse of a right triangle is 17 cm long. Another side of the triangle is 10 cm long. What is the length of the last side?
Use Pythagorean theorem for this. Each leg squared is equal to the hypotenuse squared. so, X^2 + 10^2 = 17^2 X^2 + 100 = 289 X^2 = 289-100 = 189 X= square root of 189 X= 13.75 ( rounded to the nearest hundredth) - Length of the last side