1 answer

7 This diagram shows a straight track through points A, S and B, where A is...

Question:

7 This diagram shows a straight track through points A, S and B, where A is 10 km northwest of B and S is exactly halfway bet
7 This diagram shows a straight track through points A, S and B, where A is 10 km northwest of B and S is exactly halfway between A and B. A surveyor is required to reroute the track through P from A to B to avoid a major subsidence at S. The surveyor determines that A is on a bearing of 330 from P and that B is on a bearing of 070° from P. Assume the region under consideration is flat. Find: a the magnitudes of angles APB. PAB and PBA b the distance from P to B and from P to S S the bearing of S from P d the distance from A to B through P. if the surveyor chooses to reroute the track along a circular arc. .P B

Answers

Soln C®) magnitude - of LAPB = 3i+70=100 A Given AB = 10km. AS=5B=5 km S 45 Bot 1070 zo A is North west of B 19045 But Angle(d) LAPB = 100 A APB Circulan Arc. Radius of circular are. >lokm. s loo 10 Rsingolo A Al 100 P À B diameter) o centre Angle

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