I am a beginner, using ug painting the figure below, on the right side of the curve and circle intersection is the midpoint of the curve? Around my classmates say I don't quite understand what do you think, this figure is homework, and not very clear this curve, I curve were determined by three, and constraint the midpoint result is wrong, please, help solve

CodePudding user response:

Three stipple round, tangent and tangent, tangent, and then delete the