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OpenStudy (anonymous):
The diagram shows a section of a bridge between the points A and K. The length of line segment is 640 meters. ∆ABC, ∆CDF, and ∆FJK are similar, and 2AC = CF = 2FK. The first pillar, , is 20 meters tall.
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OpenStudy (anonymous):
anyone
OpenStudy (danjs):
can you sketch the thing, or link the pic? i can try and think what it looks like, but
jhonyy9 (jhonyy9):
- the diagram show s - how ? --- and the question ?
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