Radian describes the plane angle subtended by a circular arc as the length of the arc divided by the radius of the arc. One radian is the angle subtended at the center of a circle by an arc that is equal in length to the radius of the circle.
Step 3: Fold the lower left corner up toward the center of the quilt making sure the fold is on the bias. Step 4: Fold the top left corner down toward the center of the quilt making sure the fold is on the bias. Step 5: Making sure the fold is on the bias, fold the top right corner down toward the center of the quilt.
Pin the quilt binding...MORE to the side of the quilt or align it as you sew. Sew 2-4 stitches where the first seam ended, and then sew backstitch to the beginning of that seam. Continue sewing the binding to the side of the quilt. End the seam the same distance from the next corner as you did for the first.