anonymous
  • anonymous
A source of laser light sends rays AB and AC toward two opposite walls of a hall. The light rays strike the walls at points B and C, as shown below: A source of laser light is at point A on the ground between two parallel walls. The walls are perpendicular to the ground. AB is a ray of light which strikes the wall on the left at point B which is 60 meters above the ground. AC is a ray of light which strikes the wall on the right at point C which is 40 m above the ground. The ray AB makes an angle of 60 degrees with the ground. The ray AC makes an angle of 30 degrees with the ground.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
What is the distance between the walls? 110.90 m 149.28 m 103.92 m 173.20 m
anonymous
  • anonymous
@misssunshinexxoxo
anonymous
  • anonymous
@Marcorie

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anonymous
  • anonymous
@Jasmiinnee_m
anonymous
  • anonymous
is their a graph that goes along? just wondering
misssunshinexxoxo
  • misssunshinexxoxo
Which do you believe it is?
anonymous
  • anonymous
@Marcorie yes hold on i just accidentally closed the tab
anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
which one do you think it is?
anonymous
  • anonymous
149.28
anonymous
  • anonymous
40cot(30∘)+60cot(60∘)=?
misssunshinexxoxo
  • misssunshinexxoxo
http://www.wolframalpha.com/input/?i=60%2F%E2%88%9A3+%2B+40%E2%88%9A3+%3D+ C is the best choice
anonymous
  • anonymous
40cot(30∘)+60cot(60∘)=603√=103.923 i didnt want to give him the answer i wanted him to solve for it but yeah C
anonymous
  • anonymous
I got 103.923
anonymous
  • anonymous
Oh
misssunshinexxoxo
  • misssunshinexxoxo
In today's age they use graphing calculators for common core standard. He still understands it
anonymous
  • anonymous
You already gave me the answer
misssunshinexxoxo
  • misssunshinexxoxo
I didn't just tell him the answer without explanation
anonymous
  • anonymous
yeah true anyway if you need anyting else just contact us. :)
anonymous
  • anonymous
Thanks :)

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