Question 5
Four triangles are formed using nine line segments of equal length, as shown. Four beads are placed along each segment at equal intervals. How many beads are there altogether?
Place a bead at both endpoints of each segment as well as at its two interior division points. A shared endpoint has only one bead.
Place a bead at both endpoints of each segment as well as at its two interior division points. A shared endpoint has only one bead.