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In triangle DEF, angle D = 30º, angle F = 60º, and EF = 6. Find [DEF].

 

 Apr 30, 2022
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DE =  6sqrt 3

 

[DEF ]  =  (1/2)  (EF)(DE)     = (1/2)(6) (6sqrt 3)  =  18 sqrt 3   units^2

 

 

cool cool cool

 Apr 30, 2022

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