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ibid.

4. To let fall a Perpendicular from a given Point, on a given

Line

ibid.

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18. In a right-angled Triangle, the Bafe and Hypothenufe given, to find
the Perpendicular and Angles

ibid.

the Perpendicular and Angle oppofite given, to find

20. In a right-angled Triangle, the Hypothenuse and Perpendicular
given, to find the Bafe and Angles

21.

the Hypothenufe and adjacent Angle given, to find

the Bafe and Perpendicular

the Bafe and adjacent Angle given, to find the Hypo-

the Bafe and Perpendicular given, to find the Hypo-

thenufe and Angles

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To take the Dimenfions of a Field at one Station

To furvey a Field at two Stations

the Diffance of an Object whofe Height is known
the Height of an inacceffible Object

236

ibid.

the Distance of two Objects, when the Distance between

T.

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