Problem:
There are 5 coins placed flat on a table according to the figure. What is the order of the coins from top to bottom?
Answer Choices:
A.
B.
C.
D.
E.
Solution:
The circumference of coin in the figure does not continue past the point where it intersects the circumference of coin . Thus coin is above coin . Similarly, the points , and in the figure show that coin is above coin , coin is above coin , and coin is above coin , respectively. Thus the order of the coins from top to bottom is .
The problems on this page are the property of the MAA's American Mathematics Competitions