Question

7. The diameter of two circular rings are 7 cm and
12 cm. Find the ratio of their circumferences.​

Answer 1

Answer:

35:60

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Answer 2

Answer:

7,12 are diameter

circumference of= 2πr1

circumference of= 2πr2

Ratio= 7π/12π= 7/12

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Ratio= 7:12

Step-by-step explanation:

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