Elementary Geometry for College Students (7th Edition) Clone

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 4 - Review Exercises - Page 218: 30

Answer

1. TWX is isosceles--given. 2. The angles of the bases of isosceles triangles are congruent, so X and W are congruent. 3. RY and WX are parallel. 4. Thus, angle W and angle WRY are supplementary, and angle X and angle XYR are supplementary. 5. Since it is a four-sided shape with opposite angles being supplementary and corresponding angles being congruent, it is a trapezoid.
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