Skip to content / Đến nội dung
ThichHocToan.com

1963 AMC 12 Question 32

AMC12 · 1963 AMC 12

Question 32

The dimensions of a rectangle $R$ are $a$ and $b,$ $a\lt b.$ It is required to obtain a rectangle with dimensions $x$ and $y,$ $x\lt a,$ $y\lt a,$ so that its perimeter is one-third that of $R,$ and its area is one-third that of $R.$ The number of such (different) rectangles is:
  1. $0$
  2. $1$
  3. $2$
  4. $4$
  5. infinitely many