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Chapter 8: Input Toolbar
Figure 8�9� Input Toolbar (Radius Input Variation)
Radius
In order to understand the Radius input, two words must be referenced, Diameter and Radius. Diameter is
dened as a straight line running from one side of a circle or other rounded geometric gure through the center
to the other side. Radius is dened as a straight line extending from the center of a circle to its edge or from the
center of a sphere to its surface.
Diameter = 2
x
Radius
Note: The radius input is only applicable to the Circle tool and the Arc tool. The radius
input eld will be viewable but unavailable for the Oval tool.
Figure 8�10� Circle Illustration
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