Mathematics, 28.04.2021 01:00 TeEvalyn9623
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 i
What is the distance between the walls?
80 m
140 m
70 m
110 m
Answers: 3
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A source of laser light sends rays AB and AC toward two opposite walls of a hall. The light rays str...
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