cornejoalberto1011
cornejoalberto1011 cornejoalberto1011
  • 25-02-2021
  • Mathematics
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heyy could you help me out with this question I have been stuck in this question??​

heyy could you help me out with this question I have been stuck in this question class=

Respuesta :

cwrw238 cwrw238
  • 25-02-2021

Answer:

Choice A.

Step-by-step explanation:

tan < ABC = 60/40

So m < ABC = 56.31 degrees.

This makes m < DBC = 56.31 / 2 =  28.15 degrees

tan 28.15 = DC / 40

DC = 40 tan 28.15

= 21.407 ft.

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