Concept explainers
a.
To use the information given to conclude that two
a.
Answer to Problem 5CE
Explanation of Solution
Given:
In Figure 1:
In Figure 2:
No pair of angles are congruent.
Instead
In Figure 3:
No pair of angles are congruent.
In Figure 4:
In Figure 5:
Now,
Now, subtracting equation (i) from equation (ii),
Conclusion:
So, the conclusion is
b.
To name or state the definition or theorem that justifies the conclusions in part ( a ).
b.
Explanation of Solution
Given:
In Figure 1:
Vertically opposite angles: The angles which are opposite each other when two lines cross are equal.
In Figure 4:
But
In Figure 5:
Now,
Now, subtracting equation (i) from equation (ii),
Conclusion:
Therefore, the concepts used are Vertically Opposite Angles, Linear Pair and using the given information to solve.
Chapter 2 Solutions
McDougal Littell Jurgensen Geometry: Student Edition Geometry
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