The “Arc” tool

As with the “Line” tool, the “Arc” tool also drwas single lines, the difference is that it draws the bow arches.
We can use this, for instance, to provide rounded corners to a rectangle, by means of the click – click – drag method. With the first click, determine the first endpoint, with the next click you the determine second endpoint, and with the third click you determine the radius.

An example:

Click the edge of the rectangle where you want to start the round corner.
Click again on the second line where you want to finish the round corner.

For your information:

When the angle between the two points has reached a value of 45°, the line between the two points is colored purple. This is purely an indication that you angle is 45°, and the perfect roundness for creating a rectangle with rounded corners.

 

Move the mouse pointer over the edge, and the arc, or curve of the corner, call it what you want, will appear. When these changes to magenta color click for the third time.

The perfectly rounded corner in fact (1).
Remove the excess edges with the eraser (2) and your first corner is finished.

We repeat this process for the bottom corner.
To align the lower rounded corner perfectly with the top, we first move the mouse pointer over the endpoint of the first rounded corner, and we must move the mouse pointer to bottom.
The green guide that appears (shown below not so good to see) gives us an indication that we are on the same vertical line.
If you have reached the bottom, click for the first time to the detemine the first endpoint.

Next do exactly the same in the upper corner.
Determine the proper setting for the angle. So when you see the connecting line change to magenta color, click for the second time to determine the second end point (1).
And when the arc of the corner becomes magenta, click for the third time.

Finally remove the excess edges again with the eraser.

 

This is purely informational:

A standard Arc consists of 12 segments.
Type a number followed by the letter “s” to change this. As with the polygon and a circle.

Again the same, if you wish to change the settings of the Arc later, right click the edge of the arc, and select “Object Properties” from the drop-down menu.

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