Garden A has a diameter of 50 m and garden B has a diameter of 70 m. How much more edging will be needed for the larger garden than the smaller one?

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Answer:

62.8 meters

Step-by-step explanation:

circumference of A = 50π meters

circumference of B = 70π meters

difference = 70π - 50π = 20π meters ≅ 62.8 meters