Answer:
When you do this, you have quite a few steps. Draw a line with you straight edge and put one point on the line and label it 1. Connect point 1 and 2 with a straight edge.Draw an arch at point 1.Copy that arch at point 2.Measure the arch at point 1 with your compass.Then make an arch the distance of point 1's arch at point 2.
Explanation: