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

Click button first when a symbol is required. X

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