1. Determine the value of the unknown side A. K 8 X 409 D. 50 300 20 N X C. 12 65 10 N X 2. A flagpole casts a shadow 11m long when the sun is at an angle of elevation of 30 degrees. How tall is the flagpole? 3. Greg and Dan are at opposite sides of a lake. Bob stands a point where he can see both Greg and Dan. Bob notes that he is 200m from Greg and that the angle at Bob is 25 degrees and the angle at Dan is 35 degrees. How far is Bob from Dan? 200m 350 2 4. Greg. Dan, and Bob move to a different lake. Again Greg and Dan stand at opposite ends of the lake. This time Bob stand 300 m from Greg and 400 m from Dan. The angle at Bob is 20 degrees, how long is the lake? A 200 300m 400m D