A) On a calm, bright day, you're scuba diving in a deep lake (n = 1.33), 6.00 m away from your sailboat in the horizontal direction. When you are 2.20 m below the surface, the top of the sailboat mast appears to you to be in a direction 36.0° from vertical. Calculate the height of the mast.

Question

A) On a calm, bright day, you're scuba diving in a deep lake (n = 1.33), 6.00 m away from your sailboat in the horizontal direction. When you are 2.20 m below the surface, the top of the sailboat mast appears to you to be in a direction 36.0° from vertical. Calculate the height of the mast.
B)From your point of view, the entire sky appears to be confined to a bright disk directly above you on the surface of the water. Determine the diameter of this circle.