What is Pi (π)? Explained Visually in 60 Seconds #algebra #mathematics #studytips #learnmath

追加: 2026-05-27

[00:00:01][music] >> Every circle on Earth hides the same number. Here it is. What is pi? You've heard of it, but do you actually know what it is?

[00:00:12]Take any circle.

[00:00:13]Draw a line through the center. That's the diameter.

[00:00:16]The distance all the way around, that's the circumference. Pi never ends.

[00:00:21]It never repeats. It's the same for every circle in the universe.

[00:00:25]Mathematicians call [music] this irrational.

[00:00:28]Pi powers two of the most used formulas in math.

[00:00:31]Circumference [music] equals 2pr area equals pi r squared. Both need pi.

[00:00:37]Pi shows up everywhere in real life.

[00:00:39]>> [music] >> Wheels, pizza, planetary orbits, even the sound waves you're hearing right now.

[00:00:44]Pi is literally everywhere.

[00:00:47]>> [music] >> It's a matter [music] of time