KennedyK22
KennedyK22 KennedyK22
  • 02-03-2017
  • Mathematics
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PLEASE HELP AS SOON AS POSSIBLE

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whitesoxlady
whitesoxlady whitesoxlady
  • 03-03-2017
Supplementary angles add to 90°.. don't get confused with the 2 right angles in problem one because those =180°. Problem 2 has a right triangle in the middle which is 90°. Keep in mind the flat surface that the light bounces off is 180°. So you subtract the 90° you're given from the 180°. If the x's are equal, you can use that answer and simply divide by 2, for each x. X=45°
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