I hope you liked the 1st lesson of the Drawing Basics series. Continuing with the series, here's Lesson #2 - Measuring Angles: 
https://mydrawingtutorials.com/drawing-basics-course-2-measuring-angles/

In this video, you'll learn step-by-step how to measure angles and apply them to your drawing to keep everything accurate. 

Well, I hope you enjoy it!

Best Regards,
Ethan