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Math Help - Pre calc Circle stuff, question !please help!

  1. #1
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    Pre calc Circle stuff, question !please help!

    hi, im new to this website, I really love math i've just started actually learning it a few years ago.

    but anyways im getting ready to take readiness test for calc i need help with this question
    its been a while since i did pre calc i just got off a lazy k winter break and need to get back into shape
    indepth explanation of the answer would help alot THANK YOU IN ADVANCE.


    Let R be the radius of the circle circumscribed in the triangle of sides, 1968, 1968,1968, and let r denote the radius of the circle inscribed in this triangle
    Then the ratio is R/r is
    a. 2.
    b. tan π/6
    c. cos π/3
    d. 1968
    e.√3/2
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  2. #2
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    Re: Pre calc Circle stuff, question !please help!

    Quote Originally Posted by Jadeydrag0117 View Post
    Let R be the radius of the circle circumscribed in the triangle of sides, 1968, 1968,1968, and let r denote the radius of the circle inscribed in this triangle
    Then the ratio is R/r is
    a. 2.
    b. tan π/6
    c. cos π/3
    d. 1968
    e.√3/2

    You have an equilateral triangle.

    Look at that webpage. You can see the answer.
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  3. #3
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    Re: Pre calc Circle stuff, question !please help!

    So, R/r= √3/3 *(1968) divided by √3/6 *(1968)
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    Re: Pre calc Circle stuff, question !please help!

    Quote Originally Posted by Jadeydrag0117 View Post
    So, R/r= √3/3 *(1968) divided by √3/6 *(1968)
    So what is the answer?
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  5. #5
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    Re: Pre calc Circle stuff, question !please help!

    Quote Originally Posted by Plato View Post
    So what is the answer?
    2! haha sorry 2 days later i answer, coincidentally the answer being two as well.

    Thanks alot!
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