The elements of a plane circular curve include its length, radius, tangent, and central (delta) angle. How many of these elements are needed to define a unique curve?

(A) One

(B) Any two

(C) Any three

(D) All four

 

This is problem 46(7-29) from the new second edition of 1001 Solved Surveying Problems by Jan Van Sickle. Reprinted with permission from 1001 Solved Surveying Problems by Jan Van Sickle (1997, 728 pp., Professional Publications Inc.). For details on this and other FLS exam-prep books, call 800/426-1178 or visit www.ppi2pass.com .