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IKMC 2009 - Grades 11-12 - Paper 02 - Self-study Question 8

IKMC · IKMC 2009 - Grades 11-12 - Paper 02 - Self-study

Question 8

The square in the figure has side length 1. What is the radius of the small circle?

Question illustration
  1. $\sqrt2-1$
  2. $\frac14$
  3. $\frac{\sqrt2}{4}$
  4. $1-\frac{\sqrt2}{2}$
  5. $(\sqrt2-1)^2$