Concept explainers
To find: The value of the SU from the given
Answer to Problem 12CT
The value of the SU is 39
Explanation of Solution
Given information:
Consider two triangles, PRT and
Therefore, corresponding
AA Similarity Postulate: if two angles of one triangle are congruent to two angles of another
triangle, then the triangles are similar.
Therefore,
Now, use property of proportion,
Or,
As the point R lie on the line PS, thus,
Or,
The lengths of the sides are given;
Put the values in the equation (1),
Hence, the value of the SU is 39.
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McDougal Littell Jurgensen Geometry: Student Edition Geometry
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