make a circle
AutoCAD provides three other ways to draw a circle.
Draw a Circle Tangent to Other Objects
Tangent point is the point at which an object without touching other objects that intersect it. To create a circle that intersect with other objects, select the object and then specify the radius of the circle.
To create a circle tangent at three points
To make the circle tangent at three points, set to run the object is locked (OSNAP) for Tangent and three-point method to create a circle.
3P (Three Points) 3P (Three Points)
Draw a circle based on three points on the circumference.
Specify first point on the circle:
Specify a point (1)
Determine the point on the second circle: Specify a point (2)
Determine the point on the third circle: Specify a point (3)