2 ixl lessons for geometry|My essay solution

Posted: February 27th, 2023

Tangent lines (CFV)

– Central angles and arc measures (VZX)

need a minimum score of 90 on both.


Central angles and arc measures:

  • A central angle is an angle whose vertex is at the center of a circle and whose sides intersect the circle.
  • The measure of a central angle is equal to the measure of the intercepted arc.
  • An arc is a portion of the circumference of a circle.
  • The measure of a minor arc is the measure of its central angle, and the measure of a major arc is 360 degrees minus the measure of its minor arc.
  • The measure of a semicircle is 180 degrees, and the measure of a full circle is 360 degrees.

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