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anonymous

  • one year ago

What is the circumference of a circle with a radius of 0.8 m? A. m B. m C. m D. m

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  1. anonymous
    • one year ago
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    i will give you a medal

  2. anonymous
    • one year ago
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    if you help me

  3. anonymous
    • one year ago
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    looks like m is the only choice....

  4. anonymous
    • one year ago
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    what is the formula for the circumference of a circle?

  5. anonymous
    • one year ago
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    a.0.64 tt m b.0.8 tt m c.1.6 tt m d 2.56 tt m

  6. anonymous
    • one year ago
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    what i think is 1.6 tt m

  7. anonymous
    • one year ago
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    why do you think that?

  8. anonymous
    • one year ago
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    becuse i multiply 0.8*2

  9. anonymous
    • one year ago
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    that is not the way to find the circumference. you can use: \[C=2\pi r\] and see what you get...

  10. anonymous
    • one year ago
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    so its c

  11. anonymous
    • one year ago
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    are you there

  12. anonymous
    • one year ago
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    i get 5 ..., are you sure those are the options?

  13. anonymous
    • one year ago
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    yes

  14. anonymous
    • one year ago
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    why does they say tt m ?

  15. anonymous
    • one year ago
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    thats how they look

  16. anonymous
    • one year ago
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    okay, i know what is happening, that "tt" looks pretty much like the letter pi: \[\pi\] so the answers are given as a number times pi so the answer is: \[1.6\pi\]

  17. anonymous
    • one year ago
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    thank you

  18. anonymous
    • one year ago
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    yw!!

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