giuseppinah300
giuseppinah300 giuseppinah300
  • 09-05-2018
  • Mathematics
contestada

A. 6.2
B. 0.8
C. 12.3
D. 2.3

A 62 B 08 C 123 D 23 class=

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ktreyb
ktreyb ktreyb
  • 09-05-2018
Option D is your answer. 

Let's x = the length of DE.

You would use the equation: tan (37) = x / 3

To isolate x, multiply each side by 3; you get x = 3(tan (37))

x ≈ 2.3 units
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