2023 AMC 10B Problems/Problem 10
Solution 1
First, note that since the rectangle covers 2 squares, we only need to guess squares that are not adjacent to any of our other guesses. There are only two ways to do this: one with guesses, and one with
. Since the problem is asking for the minimum number, the answer is
.
-yourmomisalosinggame (a.k.a. Aaron)