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Q3% A In Triangle ABC : BE = DC AB = 11 m Calculate De=? m ED = 10" EAD = DCA سد ABC = B = 90° == 11 B Н E 10m D C

Q3% A In Triangle ABC : BE = DC AB = 11 m Calculate De=? m ED = 10" EAD = DCA سد ABC = B = 90° == 11 B Н E 10m D C

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.2: The Law Of Cosines
Problem 3E
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Q3% A In Triangle ABC : BE = DC AB = 11 m Calculate De=? m ED = 10" EAD = DCA سد ABC = B = 90° == 11 B Н E 10m D C
Transcribed Image Text:Q3% A In Triangle ABC : BE = DC AB = 11 m Calculate De=? m ED = 10" EAD = DCA سد ABC = B = 90° == 11 B Н E 10m D C
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