Subscribe to TIC


Arc Length of a Segmental Arch

In my article on building a sunburst I described how to find the circumference of a circle given a specific radius. I then divided that circumference in half, because I was working with a half-round arch. This gave me the length measured along the arches curve, otherwise known as the arc length. Finding the arc length of a segmental arch is a little more difficult, but a construction calculator makes it incredibly easy. Read the full article…