Question 3 A survey opens an old map plotted to a 10 m to 1 cm scale. He used a planimeter to find the plan's area and measure it as 124 cm². If he further realized that the plan or sheet had shrunk, a line 20 cm long now measured 19.04 only. Then the true area of the survey on the ground is. m².

Question 3 A survey opens an old map plotted to a 10 m to 1 cm scale. He used a planimeter to find the plan's area and measure it as 124 cm². If he further realized that the plan or sheet had shrunk, a line 20 cm long now measured 19.04 only. Then the true area of the survey on the ground is. m².

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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Concept explainers

Coordinate Geometry of Survey

Coordinate geometry (COGO) is a method of inserting surveying or engineering data into geographic information system (GIS), computer-aided design (CAD), or mapping software. These data can be collected on the proposed construction site using standard surveying techniques and instrumentation or may be taken from existing maps, engineering plans, drawings, or records. Data gathered on the site includes coordinates of points, bearings, and distances between points. The data are noticed and noted through conventional surveying procedures, like a traverse or layout measurement series and it can be either digital or non-digital. The maps and plans are inclusive of boundaries, divisions, and other components, and these features are shown with coordinate values, the lengths, offset distance, and bearings between them.

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