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Math Help - Get length of chord of a circle with radius 10cm as a function of central angle.

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    Get length of chord of a circle with radius 10cm as a function of central angle.

    Express the length L of chord of a circle with radius 10cm as a function of the central angle, as shown in the figure below:
    Get length of chord of a circle with radius 10cm as a function of central angle.-math.png
    Last edited by mr fantastic; October 18th 2010 at 03:21 PM. Reason: Re-titled.
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  2. #2
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    Quote Originally Posted by swtdelicaterose View Post
    Express the length L of chord of a circle with radius 10cm as a function of the central angle, as shown in the figure below:
    Click image for larger version. 

Name:	math.png 
Views:	38 
Size:	2.8 KB 
ID:	19380
    Hint: look at this as a triangle problem.
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    Thank you! This page is very useful
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