Skip to content / Đến nội dung
ThichHocToan.com

1998 AMC 12 Question 29

AMC12 · 1998 AMC 12

Question 29

A point $(x,y)$ in the plane is called a *lattice point* if both $x$ and $y$ are integers. The area of the largest square that contains exactly three lattice points in its interior is closest to
  1. $4.0$
  2. $4.2$
  3. $4.5$
  4. $5.0$
  5. $5.6$