Concept explainers
To find: x
Answer to Problem 25WE
Explanation of Solution
Given:
The figure:
Concept Used:
Theorem 5-1: Parallelogram’s opposite sides are equal.
Postulate 10: Corresponding
Theorem 8-2: In right
Label the given figure as shown below:
The quadrilateral
So,
Draw a line
Now for the quadrilateral
By theorem 5-1, opposite sides of a parallelogram are congruent. So,
So,
Here
That is,
Now, consider the right triangle
Now,
So, by theorem 8-2,
Now, take square root of both sides,
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McDougal Littell Jurgensen Geometry: Student Edition Geometry
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