please write a step by step process in coming up with these drawings in Autocad.
Accepted answer

Task 1:
*All dimensions are in mm unless specified.*
Create a rectangle of 3.8 (length/ towards X-axis)X 2.5 (width/towards Y-axis)
Command: Z enter E enter
Select Chamfer tool/CHA enter
Select- Distance subcommand/ D enter
Specify first chamfer distance <0.0000>: 1.3
Specify second chamfer distance <1.3000>: 1.2
Select upper horizontal line first then select right hand side vertical line.
Create a rectangle of 1.3X1.3 , starting from left side bottom endpoint.
Command: C enter/choose ØCircle from circle tool.
Choose the right side top corner point of the rectangle 1.3X1.3 as the center of the circle having Ø1.5
Erase the rectangle of 1.3X1.3