Surveying
Three point problem can be solved by

All of these
Lehman’s method
Tracing paper method
Tracing paper method

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Surveying
The First Point of Aeries

Is usually denoted by the Greek letter ?
Is located near the very conspicuous rectangle of stars in the constellations of Pegasus and Andromeda
All listed here
Is the point in the celestial sphere where zero meridian crosses the celestial equator

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