Question

A communications company is planning to launch a new satellite into orbit to improve the operation of its network. The longest distance that the satellite can send a reliable signal is 4,500 miles. The company is trying to determine the optimal height to operate the satellite so that it has maximum coverage of Earth within its range.
⦁ To achieve maximum coverage of the signal across Earth, what type of line should be formed between the point where the satellite is located and the point on Earth’s surface where the signal is received?

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Answer 1

As far as I can tell, is just asking for the type, so that'd be a tangential line to the globe, or a tangent line, see picture below