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21-05-2021
Mathematics

contestada

Given ADEF, if DE = 50 inches and EF = 19
inches, what is m D to the nearest tenth
of a degree?
E
D
F
A. 16.1
B. 18.5
C. 20.7
D. 22.3

Given ADEF if DE 50 inches and EF 19 inches what is m D to the nearest tenth of a degree E D F A 161 B 185 C 207 D 223 class=

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Respuesta :

26-05-2021

Answer:

22.3

Step-by-step explanation:

From trigonometry :

The angle D can be obtained thus ;

Sin D = opposite / hypotenus

Sin D = 19 / 50

Sin D = 0.38

D = Sin^-1(0.38)

D = 22.33

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