the distance between two well defined points on a vertical photograph is 72.05mm. the coresponding distance measured on a u. s. quadrangle map is 55.17 mm. if map scale is 1: 24000, what is the approximate scale of the photograph (2 sig figs.) ?
a 1: 15000
b 1: 16000
c 1: 17000
d 1: 18000
also, what is the flying height above the terrian of the photo above if the focal length of the camera used is 150 mm?
a 2500 m
b 2700 m
c 2900 m
d 3100 m