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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?
80 m
140 m
70 m
110 m
 one year ago
 one year ago
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? 80 m 140 m 70 m 110 m
 one year ago
 one year ago

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HashirBest ResponseYou've already chosen the best response.1
dw:1342774175043:dw NOW FIND D2
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dw:1342774269173:dw
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HashirBest ResponseYou've already chosen the best response.1
@tonmoy24 : giving answers directly is against the code of conduct ,,,, you can get banned
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courtneycara17Best ResponseYou've already chosen the best response.2
dw:1342774327636:dw
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courtneycara17Best ResponseYou've already chosen the best response.2
dw:1342774344694:dw
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tonmoy24Best ResponseYou've already chosen the best response.1
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