Intro to Radians

shanlee, Mar 14, 2016


  • 1. How far can you see?
  • 2. Radians: Measuring Angles using Arc Length
  • 3. Practice: Radian angle measures
  • 4. Practice: Radian angle measures (Beyond 2PI)

1.

How far can you see?

The diagram below shows how the height of an object affects how much of the Earth can be seen from the object.  [br]The red dot, which could represent a satellite, can be moved to change its height.[br]Find a formula to find the visible arc length on Earth, given the height of the satellite. [br]Hint: https://ggbm.at/sWCWkWzJ
– shanlee, Stuart Payne

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