1. The problem statement, all variables and given/known data An isosceles trapezoid has a height of 4 cm and bases 3 cm and 7 cm long. How long are its diagonals? From lighthouses P and Q, 16km apart, a disabled ship S is sighted. If angle SPQ = 44 and angle SQP = 66, find the distance from S to the nearer lighthouse? I know how to do all of the calculations but im just not sure where to start on these =/ ?