CCGPS AG 3.2.3 Example 2

Author:
Walch Education, GeoGebra Materials Team
Consider the inscribed quadrilateral below. Do the relationships discovered between the angles in Example 1 still hold for the angles in this quadrilateral?
GeoGebra Applet
  1. Calculate the measures of all four angles of quadrilateral .
  2. Find the sum of the measures of and .
  3. State your conclusion.

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