Euclid's Elements: Book 3, Prop 2
Mr Burnham's step by step board presentation of Book 3, Proposition 2: "If on the circumference of a circle two points be taken at random, the straight line joining the points will fall inside the circle."

▶︎
Euclid's Elements: Book 3, Prop 3

▶︎
Euclid's Elements Book 3 - Proposition 2

▶︎
Euclid's Elements: Book 3, Prop 1

▶︎
Euclid's Elements: Book 3, Prop 26

▶︎
Math Olympiad Geometry: Find the Area of the Red Region

▶︎
Euclid's Elements Book 1: Proposition 18

▶︎
The Professor Who Taught People How To Think (1962)

▶︎
NERVOUS 12-Year-Old Who Can Sing Without Opening Her Mouth Earns Mel B's GOLDEN BUZZER!

▶︎
How to Absorb Books 3x Faster in 7 Days (from a Med Student)

▶︎
Mr.Bean Making Celebrities Cry With Laughter NONSTOP!

▶︎
When Animals Surprise Photographers in the Sweetest Way! 😍

▶︎
“You’ll Never Be Like Us.” Until 500KG Happened 🔥

▶︎
She’s 12. She Sings Aretha Franklin… Until Simon TELLS Her to Do It Acapella! 😳

▶︎
Why is pi here? And why is it squared? A geometric answer to the Basel problem

▶︎
The Iconic Bass Riff That NOBODY Can Play

▶︎
Is Magnus EVEN HUMAN?! Invents A "Genius" New Opening vs Arjun Erigaisi! (Magnus = Chess GOD!)

▶︎
Euclid's Elements Book 3 - Proposition 1

▶︎
Euclid's Elements: Book 1, Prop 21

▶︎
I taught an octopus piano (It took 6 months)

▶︎
