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Math Help - Practice Math B

  1. #1
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    Practice Math B

    I am reviewing for my math b exam. So I do not know how to solve a problem. I have looked up the answer but I do not know where the numbers have come from in order to solve this problem. The problem that

    I am solving is number 25 on pg 12

    http://www.jmap.org/JMAP/JMAPArchive...07mathbans.pdf

    this is the link thanks
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  2. #2
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    Quote Originally Posted by algebraisabeast View Post
    I am reviewing for my math b exam. So I do not know how to solve a problem. I have looked up the answer but I do not know where the numbers have come from in order to solve this problem. The problem that

    I am solving is number 25 on pg 12

    http://www.jmap.org/JMAP/JMAPArchive...07mathbans.pdf

    this is the link thanks
    Do you know what a radian is? It's the length of a radius on the circumference.

    So in this case, one radian will be equal to 4cm.

    So we're figuring out what proportion of the radius 1.38cm makes.

    \theta = \frac{1.38}{4} = 0.345.

    Does that make sense?
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