# Answers: September 17

September 24, 2007

**Problem:**Legal Descriptions: Describing Curves

## Problem: Legal Descriptions: Describing Curves

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 .