Sharon is bird watching and spots an eagle in a tree. When standing 40 meters from the base of the tree, the angle of elevation from the point in which she is standing is 37^ 27 '. After moving closer to the tree, Sharon now measures a 51^ 42 ' angle of elevationDetermine the distance Sharon traveled between viewings

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction