2015 AMC 10B Problems/Problem 24
Problem:
Aaron the ant walks on the coordinate plane according to the following rules. He starts at the origin facing to the east and walks one unit, arriving at
. For
, right after arriving at the point
, if Aaron can turn
left and walk one unit to an unvisited point
, he does that. Otherwise, he walks one unit straight ahead to reach
. Thus the sequence of points continues
, and so on in a counterclockwise spiral pattern. What is
?
Solution:
See Also
2015 AMC 10B (Problems • Answer Key • Resources) | ||
Preceded by Problem 19 |
Followed by Problem 21 | |
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All AMC 10 Problems and Solutions |
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