Steps:
1.	Click the first object.
2.	Click the second object.
3.	Enter the desired corner radius and the options as follows.
	4.	- don’t trim
	5.	- trim first object 
	6.	- trim second object 
fi	The corners are rounded on the objects.
Note:
7.	Circles-circle, circle- line, and line- line junction corners can be rounded.
8.	The clicked side of the object to be rounded remains unchanged.