quadrilateral

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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A quadrilateral ABCD has its sides AB and BC perpendicular to each other at B. Side AD makes an angle of 45° with the vertical while side CD makes an angle of 70° with the horizontal. If AB = 15 and BC = 10, find the length of side CD.

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