Autodesk 057A1-05A111-1001 - AutoCAD LT 2009, Getting Started Manual

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Draw Circles and Arcs
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Draw Circles and Arcs
You can create a variety of curved objects, including circles and arcs.
Draw Circles
To create circles, use one of the following methods:
■
Specify the center and radius (default method).
■
Specify the center and diameter.
■
Define the circumference of the circle with two or three points.
■
Create the circle tangent to two existing objects.
■
Create the circle tangent to two objects and specify a radius.
Draw Arcs
To create arcs, you can specify various combinations of center, endpoint, start point, radius, angle,
chord length, and direction values. The following examples illustrate three ways to specify two
points and an included angle.
radius
1
1
3
2
center
2
radius
tangent objects
Center, radius Two points
defining diameter Three points defining
circumference Tangent, tangent,
radius
Start, center, angle
1
Center, start, angle
2
Start, end, angle
1
2
included angle
1
2