Translations:Basic Sketcher Tutorial/19/en

7. Geometrically constrain the lines and arcs.
 * 7.1 Select all five construction lines. You only need to click once to select an element.
 * 7.2. Press.
 * this creates only four constraints. The constraints are chained, the first line has the same length as the second one, which has the same length as the third one, which again has the same length as the fourth one, which has the same length as the fifth one. So in this case, the first and the fifth have the same length.