# surveying homework help

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• Q1: 5. A total station is set up over point "BM 1"and a zenith angle of 84°45'38" to the top of a tower. The horizontal distance from “BM 1"to the tower is 347.68 feet. The H.I. of the total station is 5.16 feet and the elevation of "BM 1" is 115.98 feet. What is the elevation at the top of the tower? (Draw a sketch below to support your answer)See Answer
• Q2: 2. Determine the area of the following figure: See Answer
• Q3: 3.19 Repeat Problem 3.18 if for an instrument set up 850.0 ft from a tower with its telescope center 5.500 ft above the ground. The telescope is sighted horizontally to a point5.500ft from the bottom of the steeple and then the angle to the top of the steeple is measured. It's 28°20. How tall is the tower?(Ans.:287.16ft)See Answer
• Q4: Mid-Ordinate Rule \text { Area }=w\left(h_{m 1}+h_{m 2}+h_{m 3}+h_{m 4} \ldots+h_{m n}\right) W = width hm = Height of the mid ordinate Trapeziodal Rule \text { Area }=w\left(\frac{h_{1}+h_{n}}{2}+h_{2}+h_{3} \ldots+h_{n-1}\right) hHeight of the ordinate w = width Simpsons Rule: For an even number of strips: \text { Area }=\frac{w}{3}\left(\text { (1st + last ordinate) }+\left(4 \times \sum \text { even ordinates }\right)+\left(2 \times \sum \text { odd ordinates }\right)\right) w = width Length of an arc = 2nR B/360; \text { Length of an arc }=2 \pi \mathrm{R} \beta / 360 ; \text { Long chords }=2 R \sin (\theta) \text { Tangent lengths = R tan ( } \beta / 2 \text { ); } \text { Tangential angles ( } \theta \text { ) }=(c / R) \times 90 / \pi Where R is the circular curve radius, B is the deviation angle and c is the chord length.See Answer
• Q5: 1. (50 pts) Provide a description of the physiographic and geologic setting of your hometown.Your description should include: a) (10 pts) The city, county, and state as well as the Latitude and Longitude of the location that you considered. (15 pts) The physiographic section and district of your location and a brief description of this section/district. c) (15 pts) The geologic formation(s) that are present at your location and the published description of the formation(s). d) (10 pts) Supporting maps showing the physiography and geology of the area with your location marked on them.See Answer

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