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Mathematics, 13.08.2019 00:30 deandrebryant89

Asource 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?
30 m
40 m
50 m
70 m

Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays stri

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