An astronaut is working on a satellite 200 miles above the ground. What is the measure of BD⌢, the portion of Earth that the ast
ronaut can see? Round your answer to the nearest tenth. (Earth's radius is approximately 4000 miles.)
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<em>Greetings from Brasil...</em>
Isolating S:
B = [(S+Z)/4]·h
B/h = (S + Z)/4
<h2>S = (4B/h) - Z</h2>