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hram777 [196]
3 years ago
9

Use trigonometry to determine the m>DEC to the nearest degree

Mathematics
1 answer:
Rus_ich [418]3 years ago
6 0

Answer:

m∠DEC  = 50° to the nearest degree

Step-by-step explanation:

cos D = adjacent side/hypotenuse

         = 36/56

m∠DEC = arccos (36/56) =50° to the nearest degree

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