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Australian AMC 2010 - Upper Primary Question 4

AMC AUSTRALIA · Australian AMC 2010 - Upper Primary

Question 4

The midpoints of the sides of a square are joined as shown. A part of the original square is shaded as shown. What fraction of the original square is shaded?

Question illustration
  1. $\frac14$
  2. $\frac16$
  3. $\frac23$
  4. $\frac13$
  5. $\frac15$