Question
Figure H is made up of nine similar equilateral triangles. Three triangles were removed from Figure H and the remaining triangles were rearranged to form Figure J. The perimeter of Figure H is 315 cm. What is the perimeter of Figure J?
3 m

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Figure H is made up of nine similar equilateral triangles. Three triangles were removed from Figure H and the remaining triangles were rearranged to form Figure J. The perimeter of Figure H is 315 cm. What is the perimeter of Figure J?