Discussion :: UPSC Civil Service Exam Questions
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The three-point problem in hydrographic surveying considers the data on the location of three shore signals A, B and C and the angles α and β subtended by AP, BP and CP at the boat P; and then proceeds to plot the position of P. The problem may become indeterminate is special cases when
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A.
B and P are on opposite sides of the line AC
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B.
both B and P are on the same side of the line AC
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C.
P is within the triangle ABC
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D.
P is very close to the extension of one of the edges of the triangle ABC
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