How Euclid Helped Shape Modern Geometry

Euclid V.8 — Unequal Magnitudes Determine Unequal Ratios | Visual Proof

Euclid V.20 — How Matching Ratios Carry an Order Comparison

Euclid Spotted a Giant Structure Hidden in the Dark Universe...

Euclid Elements Def III.4 — Equal Distance from a Centre

Euclid Found an Entire Galaxy Made of Dark Matter

Euclid's Elements III.36 — The Tangent Square Equals the Secant Rectangle

Euclid Elements Def III.1 — Equal Circles

Euclid Elements II.14 — Constructing an Equal-Area Square

Euclid's Elements II.3 — A Rectangle Split into Rectangle and Square

Euclid's Elements III.33 — Construct a Segment Admitting a Given Angle

Euclid's Elements III.18 — The Radius to a Tangent Is Perpendicular