T teacher New member Jul 20, 2009 #1 ...numbers on each sideofthetriangle is 21? this is the equilateral triangle base of the triangle has 6 circles (6 places) and left and right side has 5 circle each.
...numbers on each sideofthetriangle is 21? this is the equilateral triangle base of the triangle has 6 circles (6 places) and left and right side has 5 circle each.