If the general ground level of any area is 10% of the flying height, the principal points may be used as the centres of radial directions for small scale mapping even in tilted photograph up to

1.

If the general ground level of any area is 10% of the flying height, the principal points may be used as the centres of radial directions for small scale mapping even in tilted photograph up to

[A].	1°
[B].	2°
[C].	3°
[D].	4°

Answer: Option C

Explanation:

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