Skip to content / Đến nội dung
ThichHocToan.com

2015 AMC 10A Question 2

AMC10 · 2015 AMC 10A

Question 2

A box contains a collection of triangular and square tiles. There are $25$ tiles in the box, containing $84$ edges total. How many square tiles are there in the box?
  1. $3$
  2. $5$
  3. $7$
  4. $9$
  5. $11$