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23 July, 13:10

Bacteria live in groups called colonies. Colonies are usually circular. The diameter of a particular bacterial colony is 12 mm. The circumference of a circle is equal to pi (3.14) times the diameter (C = pi times the diameter)

1. What is the circumference of the colony?

2. What is the radius of the colony

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Answers (1)
  1. 23 July, 14:13
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    The circumference would be 37.68 mm, and the radius is 6 mm.
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