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

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