alt Hacker NewsI 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.
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.