Surveying
If ‘δ’ is the declination of the Polaris and ‘λ’ is the latitude of the place, the azimuth of the Polaris, is

cos δ/cos λ
cos (90° - δ)/cos (90° - λ)
tan (90° + δ)/tan (90° + λ)
sin (90° - δ)/sin (90° - λ)

ANSWER DOWNLOAD EXAMIANS APP

Surveying
For mapping any country

All listed here
Secondary triangles are further broken into third and fourth order triangles, the points of which are used for detail surveys
Primary triangles are broken down into secondary triangles of somewhat lesser accuracy
Geodetic triangulation of greatest possible sides and accuracy is carried out

ANSWER DOWNLOAD EXAMIANS APP