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14 Best 500-Piece Puzzles for Adults That Will Keep You Entertained for Hours

Liven up your leisure time with these 14 best 500-piece puzzles for adults, offering engaging images and quality craftsmanship that will leave you eager to discover more.

Geometr Team
October 6, 2025

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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

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

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

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