Answered: located at their midpoint. The azimuth…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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GE 1211 Assignment No. 3 Triangulation Given the polygon shown in Figure 1 which is a part of a triangulation system. The straight lines BE and AD are equal in length and point O is located at their midpoint. The azimuth of line BC is 255 degrees. If the angle θ = 70 degrees and length AB is equal to 500 meters, determine the length of CD. Note that α = 90 degrees. 90° 2. Three Church steeples A, D and E are three triangulation observation points with CD=625 m, and DE=615 m, angle EDC = 125°. A transitman at station B wanted to know his position with respect to triangulation point C and he measured angle CBD to be 42°30’ and angle DBE to be 43°. Compute: a. the angle DCB and distance BC b. the coordinates of station B if line CD has and azimuth of 255°50’ and the coordinates of C is N=14500.36 ; E=18356.45

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