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Find the length of this line associated with a circle

  1. Mar 23, 2012 #1
    I am struck in a place where i have to find length of a line(a in fig i.e between P1 and P2) in the form of r and Angle A.
    Refer to the figure:
    All information available are r,O,P2,and A.

    Attached Files:

  2. jcsd
  3. Mar 23, 2012 #2


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    Science Advisor
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    hi waqarrashid33! :smile:

    (try using the X2 button just above the Reply box :wink:)

    hint: 0P1P2 is a right-angled triangle, and angle P10P2 = … ? :smile:
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