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9.3

Draw a circle diagram

Asked by jockejocke in Math & Science, ActionScript

Tags: actionscript, flash, circle, math, radian, angle, geometry

I'm trying to create flash application with a type of circle diagram; a half circle with three circle sectors of different angles which may vary over time.

This half circle (180 degrees) is not the problem, nor is calculating the actual angle of the sector I'm trying to draw. For example, if the diagram shows 0%-100% and the sector should represent 0%-40%, it is just to do simple math (40/100) * 180 to get the angle. However, i do need to draw the triangle that should display the sector. The radius of my circle is 5.

How do I get the X and Y position from knowing an angle of 72 (se example image).
(The arrow is not the problem.)

Thank you for any help!
Attachments:
 
Example of what I'm trying to accomplish
Example of what I'm trying to accomplish
 
[+][-]08/05/09 01:46 AM, ID: 25021240Accepted Solution

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About this solution

Zones: Math & Science, ActionScript
Tags: actionscript, flash, circle, math, radian, angle, geometry
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Solution Provided By: CaptainCyril
Participating Experts: 2
Solution Grade: A
 
[+][-]08/05/09 01:44 AM, ID: 25021229Assisted Solution

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[+][-]08/05/09 03:37 AM, ID: 25021842Author Comment

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[+][-]08/05/09 04:46 AM, ID: 25022250Author Comment

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