4. In AABC, AB= BC and mZABC = 90°. Dand E are the midpoints of AB and BC, respectively. If the length of CA is 9 units, the length of DE is units and mZCAB is

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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Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.
E
In AABC AB BC and mzABC = 90°. Dand E are the midpoints of AB and BC, respectively.
If the length of CA is 9 units, the length of DE is
units and mCAB is
Transcribed Image Text:Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. E In AABC AB BC and mzABC = 90°. Dand E are the midpoints of AB and BC, respectively. If the length of CA is 9 units, the length of DE is units and mCAB is
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