Engagement rings - Geometr

Vetted

11 Best Moissanite Engagement Rings That Sparkle as Brightly as Diamonds

top moissanite ring selections

Just discover the 11 best moissanite engagement rings that shine brilliantly and why they might be perfect for your special moment.

Geometr Team
September 26, 2025

Vetted

14 Best Sapphire Engagement Rings That Make a Stunning Statement in 2025

top sapphire engagement ring picks

Savor the top 14 sapphire engagement rings for 2025 that combine timeless elegance and modern style—discover your perfect symbol of love today.

Geometr Team
September 26, 2025

circle area derivation method

Proofs

Proof: Deriving the Area of a Circle Geometrically

To derive the area of a circle geometrically, you can imagine slicing…

Geometr Team
December 8, 2025

exterior angles in triangles

Proofs

Proof: The Exterior Angle Theorem in Triangles

To prove the exterior angle theorem, you extend one side of the…

Geometr Team
December 8, 2025

plot points using polar coordinates

Coordinate Geometry

Polar Coordinates: A Different Way to Plot Points

Gaining insight into polar coordinates reveals a new perspective for plotting points,…

Geometr Team
December 7, 2025

base angles are equal

Proofs

Proof: Base Angles of an Isosceles Triangle Are Equal

Starting with a median from the vertex angle, discover how congruent triangles reveal…

Geometr Team
December 7, 2025