Concept explainers
To prove: the given corollary.
Explanation of Solution
Given information:
Given Corollary 3: In a
Calculation:
In a triangle there can be at most one right angle or obtuse angle.
By theorem sum of three
Consider the following in triangle
If two angles of a triangle are obtuse, the sum of the two angles will be more than
Consider the following in triangle
This is not possible in a triangle because the sum of three angles of a triangle is
Therefore, it can be conclude that in a triangle there can be at most one right angle or obtuse angle.
Chapter 3 Solutions
McDougal Littell Jurgensen Geometry: Student Edition Geometry
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