Question
Figure R is made up of nine similar equilateral triangles. Three triangles were removed from Figure R and the remaining triangles were rearranged to form Figure S. The perimeter of Figure R is 387 cm. What is the perimeter of Figure S?
3 m

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Figure R is made up of nine similar equilateral triangles. Three triangles were removed from Figure R and the remaining triangles were rearranged to form Figure S. The perimeter of Figure R is 387 cm. What is the perimeter of Figure S?