Skip to content / Đến nội dung
ThichHocToan.com

IKMC 2010 - Grades 9-10 - Self-study Question 10

IKMC · IKMC 2010 - Grades 9-10 - Self-study

Question 10

ABCE is a square; BCF and CDE are equilateral triangles. AB=1. Find FD.

Question illustration
  1. $\sqrt2$
  2. $\sqrt3/2$
  3. $\sqrt3$
  4. $\sqrt5-1$
  5. $\sqrt6-1$