Happy Thanksgiving! Here's some physics for you to play with. I will post the answers as a "comment" below, a little later.
1. Consider this right triangle: 36, 77, 85
Draw this and find the angles in the triangle.
2. Repeat for this triangle: 20, 21, 29
3. What is the index of refraction for a material that slows light to 3/4 of its vacuum speed?
4. Lights goes from air (n = 1) to a new material, being refracted from 75 degrees to 38 degrees. Find the index of refraction of the new material. (Angles are measured, as always, with respect to the normal line.)
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