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Math Help - rewrite equations

  1. #1
    mwalker11
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    Red face rewrite equations

    Ok, I have decided to go back to upgrade my marks from H.S. and wow has the math changed since the early 80's.

    anyways how do I figure out the radius of a ball given only the circumference which is 13.2 mm
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by mwalker11 View Post
    Ok, I have decided to go back to upgrade my marks from H.S. and wow has the math changed since the early 80's.

    anyways how do I figure out the radius of a ball given only the circumference which is 13.2 mm
    you should know the formula: \mbox { Circumference } = 2 \pi r .......where r is the radius

    plug in the circumference and solve for r
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