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IMAS 2017 — Middle Primary Grades 3–4 — Round 2 Question 13

IMAS · IMAS 2017 — Middle Primary Grades 3–4 — Round 2

Question 13

Rotate an equilateral triangle inscribed in a circle 40 degrees clockwise and counter-clockwise, as in the figure below. How many triangles are there in the figure?

Question illustration