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Un article trouvé pour ce sujet.
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Distance between the windows |
1999-09-19 |
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Lawrence pose la question :
An observer on level ground is at distance d from a building. The angles of elevation to the bottom of the windows on the second and third floors are a and b respectively. Find the distance h between the bottoms of the windows in terms of a b and d
Harley Weston lui répond. |
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