A helicopter A observes two ships B and C. B is 23:8 km from the helicopter and C is
Chapter 9, Problem 16(choose chapter or problem)
A helicopter A observes two ships B and C. B is 23:8 km from the helicopter and C is 31:9 km from it. The angle of view BAC from the helicopter to B and C, is b 83:6. How far are the ships apart?
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