Concept explainers
3
To explain: the fact that
Explanation of Solution
Given information:
Given figure,
Calculation:
The corollary is;
In a
Consider the theorem:
The measure of an inscribed angle is equal to half the measure of its intercepted arc.
Proof:
The intercepted arc for an angle inscribed in a semi circle is 180 degrees.
Therefore, the measure of the angle must be half of 180, or 90 degrees. In other words, the angle is a right angle.
Chapter 9 Solutions
McDougal Littell Jurgensen Geometry: Student Edition Geometry
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