Use the polynomial identity to determine which values of x and y generate the values of the sides of the following right
triangle.
73
55
x=8, y=3
x= 3, y=8
x = 6, y = 4
x= 4, y = 6

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.