Vertex Angles in a Regular Polygon

Investigate how the vertex angle of a regular polygon relates to its number of sides.

Tessellation Restrictions

Determine which polygons can tessellate.

Same Area: Triangle & Square

Construct a triangle that always has the same area as a square.

Rhombus and Circular Pool

Find a way to build the largest circular pool in a rhombus-shaped backyard.

Triangle or Square

Dissect a triangle into four parts so that it can be rearranged into a square.

Increasing Area

If the area of a rectangle increases, how much does its length and width increase?

Folding Squares

Use the perimeter of a rectangle to determine the area of a square.

Biggie Size It (Square)

If the area of a square increases by a certain amount, how long is an edge of the original square?

Land Dispute

Help settle a dispute over land between Squaresville and Centerville.

Constructing Squares

Can you construct a square that has twice the area of another square?