I used to teach math to 5th graders about angles. I let them draw a triangle and...

charlieyu1 on April 1, 2025 | parent | context | favorite | on: Electron band structure in germanium, my ass (2001...

I used to teach math to 5th graders about angles. I let them draw a triangle and measure the angles with a protractor, then calculate the sum. The sum is usually around 177 or 178 degrees.