Math for Non-Math Majors

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Degrees

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Math for Non-Math Majors

Definition

Degrees measure the size of an angle, with a full circle containing 360 degrees. They are used to quantify the separation between two intersecting lines or planes.

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5 Must Know Facts For Your Next Test

  1. A right angle is exactly 90 degrees.
  2. The sum of all interior angles in a triangle is always 180 degrees.
  3. Complementary angles add up to 90 degrees.
  4. Supplementary angles add up to 180 degrees.
  5. An acute angle measures less than 90 degrees, while an obtuse angle measures more than 90 but less than 180 degrees.

Review Questions

  • What is the degree measure of a right angle?
  • How many degrees are in the sum of all interior angles of a triangle?
  • What is the term for two angles that add up to 180 degrees?
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