Question
Figure X is made up of nine similar equilateral triangles. Three triangles were removed from Figure X and the remaining triangles were rearranged to form Figure Y. The perimeter of Figure X is 279 m. What is the perimeter of Figure Y?
3 m

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Figure X is made up of nine similar equilateral triangles. Three triangles were removed from Figure X and the remaining triangles were rearranged to form Figure Y. The perimeter of Figure X is 279 m. What is the perimeter of Figure Y?