**#1.) Identify whether you would use a proportion, the Pythagorean Theorem, trig or inverse trig for the problem below and write it under the image, but do NOT solve: a. An observer on the ground watches a plane above. What is the angle of elevation of the plane during the moment pictured below? b. Adam runs diagonally across a field, but Ben runs along the edges. How far does Adam run? C. A 4 m ladder leans against a wall shown below. What is the distance between the bottom of the ladder and the wall? 2000 m 800 m 200 m Ben obroW Adam 4 m (68 120 m