الهندسة والقياس: الزاويتان المتتامتان

The video tutorial explains the concept of right angles, which are angles measuring 90 degrees. It introduces complementary angles, defined as two angles whose measures add up to 90 degrees. An example is provided where one angle measures 30 degrees, and the complementary angle is calculated as 60 degrees without using a protractor.

What new insight or understanding did you gain from this video?