Copyright © University of Cambridge. All rights reserved.
'Spherical Triangles on Very Big Spheres' printed from https://nrich.maths.org/
Large networks of pipes, cables and power lines are obviously of
great importance. Whilst small percentage errors may not appear to
be large they will have a significant impact on the cost of large
engineering projects, such as laying a new oil pipeline. Fuel
costings for international travel provide other applications of
these results.