Surveying
The slotted template method

Is suitable for large areas with less control
All listed here
Is rapid and accurate
Is prepared, by graphical method

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Surveying
The necessary geometrical condition for triangulation adjustment is:

The sum of the eight angles of a braced quadrilateral should be 360°
All listed here
The sum of the three angles of a plane triangle should be 180°
The sum of the angles around a station should be 360°

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Surveying
The meridian of a place is

A great circle passing through the place and the poles
A great circle whose plane is perpendicular to the axis of rotation and it also passes through the place
A semi-circle which passes through the place and is terminated at the poles
An arc of the great circle which passes through the place and is perpendicular to the equator

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