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Note: Use the formula:
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FINDING THE CIRCUMFERENCE
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Note: Use the formula:![\large\tt{\gray{2r \ x \ \pi \: {\gray{or} \: {\gray{d \ x \ π}}}}} \large\tt{\gray{2r \ x \ \pi \: {\gray{or} \: {\gray{d \ x \ π}}}}}](https://tex.z-dn.net/?f=%5Clarge%5Ctt%7B%5Cgray%7B2r%20%5C%20x%20%5C%20%5Cpi%20%20%5C%3A%20%7B%5Cgray%7Bor%7D%20%5C%3A%20%20%7B%5Cgray%7Bd%20%5C%20x%20%5C%20%CF%80%7D%7D%7D%7D%7D)
1. Diameter = 18 cm
Circumference =
2. Diameter = 24 mm
Circumference =
3. Diameter = 16 ft
circumference =
4. Radius = 4 cm
Circumference =
5. Radius = 36 mm
Circumference =
6. Radius = 21 ft
Circumference =