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How do you identify a tessellation?
Shapes when tessellated fit neatly together with no overlaps or gaps
Can a circle be tessellated?
Nope... there will always be spaces around the circles - even when they're touching.
Explain why a regular nonagon does not tessellate?
because there are to many sides * * * * * Each interior angle of a regular nonagon is 140 degrees. At any point in the tessellated plane, a whole number of shapes must come together and the sum of their interior angles must be 360 degrees. 140 does not go into 360 and so a regular nonagon cannot tessellate.
What are three-dimensional shapes?
Three dimensional shapes are shapes with height, width, and depth. In contrast, two dimensional shapes only have height and width, or length and width.
What are 4D shapes?
4D shapes are shapes in four dimensional space. Since we live in 3D space it is very difficult for most people to visualise 4D shapes.
