Question
Figure Q is made up of nine similar equilateral triangles. Three triangles were removed from Figure Q and the remaining triangles were rearranged to form Figure R. The perimeter of Figure Q is 369 cm. What is the perimeter of Figure R?
3 m

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Figure Q is made up of nine similar equilateral triangles. Three triangles were removed from Figure Q and the remaining triangles were rearranged to form Figure R. The perimeter of Figure Q is 369 cm. What is the perimeter of Figure R?