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Do note that the perimeter/circumference of a circle can be found using this formula: πD or 2πr.

Hence, with the information given that the circle has a radius of 5cm, the circumference of the circle is:

Formula = πD

Diameter = Radius x 2

= 5cm x 2

= 10cm

π = 3.14 (depending on what the question states π to be)

Circumference of the circle = 3.14 x 10cm

= 314cm

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โˆ™ 2011-03-12 14:27:55
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Q: How do you find the perimeter of a circle with radius 5cm?
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