Advanced Geometry Puzzles
Flex your skills with some quick and fun advanced geometry puzzles.
Where Are the Holes?
Between the Hexagons
Measuring a Coastline
How Much Can They See?
Cut Exactly in Half
Dimensional Scaling
A Geomagic Square
Not a Pythagorean Triple
Find All the Triangles
Reptile Arrangements
Last Tetromino Wins
Minimize and Maximize
How Hard Is It to Measure a Skyline?
Keep Coloring Forever
Infinite Bullseye
Fractal Dimension
Overlapping Areas
How Much is Covered?
Perimeter from Perimeters?
Cut It Up However You Like
Triangles Around a Pentagon
Square in a Square
Stars and Pentagons
What Is the Sum of the Pink Angles?
Octagons and Squares
Triangles in a Circle
True Both Ways?
What's True of Cyclic Quadrilaterals?
Round the Clock
Triangles on a Lattice
Area de Lunes
Cut Exactly in Half Again
Seeking Chocolate
Which Has More Faces?
It's A Face Off
Prism Puzzle
Ants on a Can
What Shape Is It?
Around and Around, and Around
More Square or More Triangle?
Make the Cube
Hurry to the Honey
Strange Slices
Slice It Up
Triangle + Triangle = Square?
What Is the Sum of These Angles?
Convexity Complexity
Make Them Cross
Are You Absolutely Sure You Found Them All?
There Are More Than Four Triangles!
How Many Are Triangles?
Can You Make This Perfect Shot?
How Many Pieces?
How Do These Shapes Compare?
Koch Snowflakes
How Much Area Is Left?
Only Two Pieces?
Angle Arithmetic
Piece of a Circle
How Long Is This Side?
A Better Fence
Perimeter from Perimeters?
Red or Blue?
Does It Change?
Would You Like a Slice of Donut?
What's Half of a Möbius Strip?
2D meets 3D
Course description
Flex your skills with some quick and fun advanced geometry puzzles.