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Australian AMC 2020 - Upper Primary Question 18

AMC AUSTRALIA · Australian AMC 2020 - Upper Primary

Question 18

The area of each of the five equilateral triangles in the diagram is 1 square metre. What is the shaded area?

Question illustration
  1. $1.5\ \mathrm{m}^2$
  2. $2\ \mathrm{m}^2$
  3. $2.5\ \mathrm{m}^2$
  4. $3\ \mathrm{m}^2$
  5. $3.5\ \mathrm{m}^2$