No, you cannot.
If you cannot perform the desired shape marking, please consider the following methods:
- Use symbols such as "↻", "▱", "◇"
- Express shapes composed of straight lines by combining lines
Related:
Add markings and edits to images, such as arrows (Web browser)
https://teachme.jp/8/manuals/4929404
Mark the images with arrows, etc. (Mobile App)
https://teachme.jp/8/manuals/3219700