The right triangle, Civil Engineering

a lighthouse standing on the cliff observed from two open boats A and B in a vertical plane thourgh the lighthouse.the angle of elevation of the top of the lighthouse viewed from B is 16 ang the angles ofelevation of the top and bottom viewed from A are 40degree and 23degree,repectively.if the boats are 1320 ft.apart ,find the height of the lighthouse and the height of the cliff.
Posted Date: 11/28/2012 7:33:06 PM | Location : Philippines







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