Fundamentals of Surveying (FS) Exam 2023

How to figure out horizontal distance with stadia hairs - Answer- Subtract lower stadia hair reading from upper, then multiply by 100. What is a US Survey foot? (on formula sheet already) - Answer- Expressed as a fraction: 1200/3937 m 1 US survey foot = 0. (Take inverse to get meters to feet... 1/0.) What is an International (Standard) Foot? (on formula sheet already) - Answer- Expressed as a decimal: 1 Int. Foot = 0. m. (Take inverse... 1/0.) 1 meter = 3. Int. ft. What is a Gradian? - Answer- An entire circle (360 degrees) is 400 gradians (gon). Therefore, a 90 degree angle is 100 grad. 1 grad = 00 deg. 54'.... Or.... 1 gradian = 0.9 deg How many miles for one degree of latitude? - Answer- One degree of latitude is 69 miles How to convert inches to tenths of a foot (decimal feet)? - Answer- Take inch value and divide by 12 What is a rod? - Answer- 1 rod = 16.5 feet How many feet in a yard? - Answer- 3 feet How to figure out sum of interior angles of any closed polygon - Answer- n-2(180) How to figure out total exterior angles of a closed polygon - Answer- (n+2)180 How many feet in a meter? - Answer- 3.281 feet (take the inverse of the international foot on the formula sheet) Cosecant is... - Answer- = arcsin..... sin Secant is... - Answer- = arccos.... cos The distance formula (Inversing) - Answer- Sqrt((x2-x1)^2+(y2-y1)^2) or