The three-point problem in hydrographic surveying considers the data on the location of three shore signals A, B and C and the angles Œ± and Œ≤ 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

B and P are on opposite sides of the line AC

both B and P are on the same side of the line AC

P is very close to the extension of one of the edges of the triangle ABC

The three-point problem in hydrographic surveying considers the data o

1.	The three-point problem in hydrographic surveying considers the data on the location of three shore signals A, B and C and the angles Œ± and Œ≤ 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
A.	B and P are on opposite sides of the line AC
B.	both B and P are on the same side of the line AC
C.	P is within the triangle ABC
D.	P is very close to the extension of one of the edges of the triangle ABC
Answer» E.

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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 Œ± and Œ≤ 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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