43.
The latitude of a place was obtained by subtracting the zenith distance of a star from its declination, the observed star was between

44.
The latitude of a place was obtained by subtracting the declination of a star from its zenith distance, the observed star was between

45.
The flying height of the camera is 1,000 m above mean ground level, the distance of the top of a building from a nadir point is 10 cm and the relief displacement of building is 7.2 mm. The height of the building, is

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