malikgarrett123
malikgarrett123 malikgarrett123
  • 01-04-2020
  • Mathematics
contestada

plz help with the 2 questions in the image
below

plz help with the 2 questions in the image below class=

Respuesta :

jimthompson5910 jimthompson5910
  • 01-04-2020

360 degrees = 2pi  radians

180 degrees = pi  radians

The unit circle has a radius of 1, based on the term "unit" meaning "one".

Since r = 1, this means the circumference is C = 2*pi*r = 2*pi*1 = 2pi

The distance around the unit circle is 2pi  units, which corresponds to 2pi radians of a full revolution. Half of this is pi radians, which corresponds to 180 degrees.

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