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: What is the distance between the walls?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
anonymous
  • anonymous
do you know the rules for 30-60-90 and 45-45-90 triangles?
anonymous
  • anonymous
no, i really dont know anything about this

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More answers

anonymous
  • anonymous
|dw:1434119310670:dw|
anonymous
  • anonymous
|dw:1434119573838:dw|
anonymous
  • anonymous
your picture has a 30-60-90 triangle on the left. The hypotenuse, 2x = 60. Solve for x to find the distance from the left wall to the laser
anonymous
  • anonymous
would it be 80?
anonymous
  • anonymous
no, how did you get 80?
anonymous
  • anonymous
wait 2x=60 would be 30
anonymous
  • anonymous
right, so from the left wall to point A is 30. Now find the distance from A to the right wall
anonymous
  • anonymous
|dw:1434120206978:dw|
anonymous
  • anonymous
would it be 40 from A to the right wall?
anonymous
  • anonymous
yes
anonymous
  • anonymous
so then my whole answer would be 70?
anonymous
  • anonymous
right
anonymous
  • anonymous
thank you
anonymous
  • anonymous
you're welcome

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