Skip to content / Đến nội dung
ThichHocToan.com

IKMC 2005 - Grades 9-10 - Self-study Question 25

IKMC · IKMC 2005 - Grades 9-10 - Self-study

Question 25

Let a,b be the legs of a right triangle. Let d be its incircle diameter and D its circumcircle diameter. What is d+D?

Question illustration
  1. $a+b$
  2. $2(a+b)$
  3. $\frac12(a+b)$
  4. $\sqrt{ab}$
  5. $\sqrt{a^2+b^2}$