Published on July 3, 2014
LEARNING OBJECTIVES: At the end of this topic, student should be able to: 1. Calculate area using mathematical, graphical & mechanical method. 2. Calculate volume from contour line and spot height. INTRODUCTION The calculation of areas forms an important part of Land Surveying. By the term “ Area ” is meant: the area of a tract of land as projected upon a horizontal plane and not the actual area of a surface land. Area may be determined: (a) from the previously plotted plans and (b) by the direct use of the field notes.