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24 January, 14:41

3) radius = 7.5 in

5) diameter = 8 cm find the circumference of each circle

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Answers (1)
  1. 24 January, 16:13
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    3-C≈47.12in

    5-C≈25.13cm

    Step-by-step explanation:

    3-C=2πr=2·π·7.5≈47.12389in

    5-

    Using the formulas

    C=2πr

    d=2r

    Solving forC

    C=πd=π·8≈25.13274cm
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