How to find missing hypotenuse of a right triangle July 8, 2019 16 32 64 128 How do you find the missing hypotenuse of a right triangle How to find missing side of right triangle with hypotenuse How to find a missing leg length of a right triangle when given the hypotenuse and one leg In a right triangle one angle measures x° where sin ° = x 4 5 . what is cos(90° − °) x