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anonymous

  • one year ago

Find the exact circumference of a circle with the given radius. 3½ cm C = 7.5π cm 7π cm 6.25π cm

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  1. freckles
    • one year ago
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    \[C=2 \pi * r \] you are given r is 3.5 just replace r with 3.5

  2. freckles
    • one year ago
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    and then do the indicated operation in the problem

  3. anonymous
    • one year ago
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    indicated operation? @freckles

  4. freckles
    • one year ago
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    2*r *pi * means multiply the operation is multiplication

  5. freckles
    • one year ago
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    2*r is the same thing as r+r if you don't like multiplication

  6. freckles
    • one year ago
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    \[C=\pi \cdot 2r \text{ or } C=\pi \cdot (r+r)\]

  7. freckles
    • one year ago
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    do you know how to do 2*3.5 or 3.5+3.5?

  8. anonymous
    • one year ago
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    yes lol so it was just 3,5*2 the whole time? @freckles

  9. freckles
    • one year ago
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    well times pi

  10. freckles
    • one year ago
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    which you will just leave as times pi

  11. freckles
    • one year ago
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    since it said exact

  12. anonymous
    • one year ago
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    ok thnx

  13. freckles
    • one year ago
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    np

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