In a right triangle, one side is 9 units in length, and the hypotenuse is 15 units in length. What is the length of the other side?

1 answer

a^2 + b^2 = c^2

9^2 + b^2 = 15^2

81 + b^2 = 225

b^2 = 225 - 81

b^2 = 144

b = ?