What will be the average elevation of terrain if the scale is given as 43m, foca

Question

What will be the average elevation of terrain if the scale is given as 43m, focal length and height of the station as 4m and 20m?

Options:

A . 19.19 m

B . 91.91 m

C . 9.91 m

D . 9.9 m

Answer: Option D
Answer: (d).9.9 m

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