2 years ago

Heyy could you help me out with this question I have been stuck in this question??

Mathematics

1 answer:

sveta [45]2 years ago

3 0

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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