How to Divide a Circle Evenly in Adobe Illustrator

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The pie chart is a staple in all business presentations. If you'd like to create a chart and divide it into individual pieces, follow the step-by-step instructions below. This will teach you how to use the divide command in Adobe Illustrator CS5.

Steps

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    Go to File > New or Ctrl + N and set the size of the document to a vertical letter-sized canvas. You can add guides by creating a rectangle using the rectangle tool (W:8.5in, H:11in). Then drag the guides onto each center of the bounding box. Finish by right clicking over your ruler to change your document measurements to pixels.
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    Set the circle’s measurements to 500 x 500 pixels.
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    To make the line straight hold down the shift tool on your keyboard.
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    You can rotate the line by selecting line > right click > transform > rotate. Once you've done that, you can set the angle to 25 and click copy.
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    This will produce an array of lines on top of the circle.
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    Select all the objects (or you can simply choose Ctrl + A), and then click “Divide” on your pathfinders window.
    • Automatically the circle will be divided by 14 individual triangles all grouped together. At this point you can click and collapse to delete unnecessary extra shapes.
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    This needs to be done before you can add color. To ungroup, select the group > right click > ungroup.
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    Add color by following these combinations: Red: C=0.08, M=99.65, Y=97.42, K=0.19 ; Orange: C=0,M=40.09, Y=95.65, K=0 ; Yellow: C=4.69, M=0, Y=88.69, K=0 ; Green: C=74.6, M=0, Y=99.46, K=0 ; Blue: C=78.34, M=30.95, Y=0, K=0 ; Indigo: C=85.27, M=99.91, Y=3.03, K=0.5 ; Violet: C=60.31, M=99.58, Y=1.62, K=0.44
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    Do this by selecting all or Ctrl + A > right click > group.
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    • You now have a circle divided into smaller individual triangles.
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