The right triangle shown has angles x, y, and z and side lengths a, b, and - 10630501 ... MILLEDGE4694 Asked 07.12.2018. The right triangle shown has angles x, y, and z and side lengths a, b, and c. which equation is not true for this triangle? See answers (1) Ask for details ... Tan Z = a/b. B is the answer, Sin X = c/b is wong because Sin X ...