He picture shows a triangular island. a right triangle is shown with an acute angle equal to 50 degrees. the length of the side of the triangle opposite to the acute angle is x. the length of the side of the triangle adjacent to the acute angle is y. the length of the hypotenuse is z.. which expression shows the value of z? . answer. x cos 50°. x sin 50°. y/sin50. y/cos50