Question
Figure K is made up of nine similar equilateral triangles. Three triangles were removed from Figure K and the remaining triangles were rearranged to form Figure L. The perimeter of Figure K is 378 cm. What is the perimeter of Figure L?
3 m

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Figure K is made up of nine similar equilateral triangles. Three triangles were removed from Figure K and the remaining triangles were rearranged to form Figure L. The perimeter of Figure K is 378 cm. What is the perimeter of Figure L?