Question

Find the length of the hypotenuse of a right triangle with legs of lengths 9 and 12 If necessary round your answer to two decimal places

Answer 1

you can get help from Pythagoras theorem :

`{x}^(2) = {9}^(2) + {12}^(2) \\ {x}^(2) = 81 + 144 = 225 \\ x = √(225) = 15`
hope this helps