Problem: Surveying Mathematics: Trigonometry
In an equilateral triangle, what is the since of half of any one of the interior angles?(A) 0.866
(B) 1.000
(C) 0.707
(D) 0.500
This is problem 12(1-8) from the new second edition of1001 Solved Surveying Problemsby Jan Van Sickle. Reprinted with permission from1001 Solved Surveying Problemsby Jan Van Sickle (1997, 728 pp., Professional Publications Inc.). For details on this and other FLS exam-prep books, call 800/426-1178 or visitwww.ppi2pass.com.