There are 360 teeth in the outer cog. The numbers in the grid give the number of cogs in the small cog. Find each of the following: The number which generates a pattern with six points. hint Find the other number which generates a six point pattern. Look at the pattern generated by the following numbers: 45, 90, 120, 180. What is the relation between the number of point and 360 (the number of teeth in the big cog). Can you find a five point pattern? Why is it impossible to find a seven point pattern?