R RACHEL New member Nov 30, 2010 #1 Show mathematically that it takes at least four yard sticks so that if they are stacked on the edge of the table, each one further off the edge, that the fourth yardstick is completely off the table.
Show mathematically that it takes at least four yard sticks so that if they are stacked on the edge of the table, each one further off the edge, that the fourth yardstick is completely off the table.
