Skip to content / Đến nội dung
ThichHocToan.com

Australian AMC 2019 - Senior Question 19

AMC AUSTRALIA · Australian AMC 2019 - Senior

Question 19

A rectangle has area 20 and perimeter 22. How long is each of its diagonals?
  1. $4\sqrt5$
  2. 10
  3. $\sqrt{29}$
  4. $2\sqrt{26}$
  5. 9