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Click Drafting tab > Modify panel > Fillet drop-down > Fillet. At the Command prompt, enter r (Radius). Enter a new fillet radius value. Once the fillet radius has been set, select the objects or line segments that define the points of tangency for the resulting arc or press Enter to end the command.

Create a Radius or Diameter Dimension

1. Click Annotate tab Dimensions panel Dimension. …
2. Select an arc or a circle.
3. At the prompt, enter r (Radius) or enter d (Diameter).
4. Before specifying the dimension line location, you can edit or rotate the text.
5. Click to place the dimension line.

## How do I use the Circle command in AutoCAD?

To draw a circle with AutoCAD, enter the CIRCLE command and choose one of the following options: Center & Radius (CENRAD) — With this option, you first click where you want the center point of the circle to be, then move the pointing device to establish the perimeter of the circle.

## How do you set a work area in AutoCAD?

To Set the Plot Area

1. Click the layout tab for which you want to set the plot area and adjust the display.
2. Click Output tab Plot panel Page Setup Manager. …
3. In the Page Setup Manager, Page Setups area, select the page setup that you want to modify.
4. Click Modify.

The rad function determines the radius of a selected object. rad. Determines the radius of a selected object. The object can be a circle, an arc, or a 2D polyline arc segment. The following example uses rad with the CIRCLE command.

Ortho mode

## What is the command of circle?

Creates a circle with a specified radius and tangent to two objects. Sometimes more than one circle matches the specified criteria. The program draws the circle of the specified radius whose tangent points are closest to the selected points.

## What are the features of AutoCAD?

Main features of Autodesk AutoCAD are:

• 3D Modeling and Visualization.
• Photorealistic Rendering.
• Solid, Surface and Mesh Modeling.
• Visual Styles.
• PDF and DGN Import/Export/Underlay.
• Section Planes.
• 3D Scanning and Point Clouds.

## What is ARC in AutoCAD?

The arc is defined as the smooth curve formed by joining two or more points. The arc of a circle is defined as the portion of the circumference of a circle. The arc can be drawn by specifying the starting point, center, and the endpoint. …

## Why do we set limits in AutoCAD?

The Limits command in AutoCAD is used to set an invisible rectangular boundary in the drawing area or viewport. It limits the grid display and the point locations. We are required to specify the coordinates of the opposite corners of the rectangular window.

## What is drawing limits in AutoCAD?

The drawing “limits” as defined by AutoCAD is a rectangular area in which you are allowed to draw. This is the area which will be displayed when you “zoom” “all.” It is also the area in which the visible grid and snap grid are extended to.

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## What are the 3 workspaces offered in AutoCAD?

You work between the model space, the model tab, and the paper space, also known as your layout tabs. There are also workspaces available in AutoCAD as well. Those workspaces are generated down here from the status bar, and you’ll notice the default ones there are drafting and annotation, 3D basics, and 3D modeling.