Question
A square garden has a side of 42 m. An equal number of trees were planted on each side of the square. Each tree is 7 m away from the next tree. One tree was already planted at points Z, A, B and C of the square respectively. How many more trees must be planted?
3 m

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A square garden has a side of 42 m. An equal number of trees were planted on each side of the square. Each tree is 7 m away from the next tree. One tree was already planted at points Z, A, B and C of the square respectively. How many more trees must be planted?