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Circles

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    Area and Perimeter of Circles
  •   Study   Slideshow
  • Find the Perimeter: r = 21 cm
    132 cm
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  • Diameter = 8.2 cm Radius = ________
    4.1 cm
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  • Radius = 8.3 cm Diameter = ________
    16.6 cm
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  • Find the Area: R = 7 m
    154 square meters
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  • Diameter = 1.3 m Radius = _________
    0.65 m
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