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In CDE, the measure of angle E = 90 degrees, DE = 84 feet, and EC = 13 feet.  Find the measure of angle C to the nearest tenth of a degree.

 Mar 17, 2021
 #1
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D

 

84

 

E     13        C

 

arctan  ( 84 / 13)  = C   ≈  81.2°

 

 

cool cool cool

 Mar 17, 2021

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