Inscribe a Circle in a Triangle

How to Inscribe a Circle in a Triangle
using just a compass and a straightedge

Steps:

  • Bisect one of the angles
  • Bisect another angle
  • Where they cross is the center of the inscribed circle
  • Construct a perpendicular from the center point to one side of the triangle
  • Place compass on the center point, adjust its length to where the perpendicular crosses the triangle, and draw your inscribed circle!