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What shape cannot be used by itself to form a tessellation?
A regular pentagon is one example.
Is it possible to do a tessellation using only regular pentagon?
No. Each interior angle of a regular pentagon is 108 degrees. In order for tessellation to be possible, the sum of the angles meeting at a point must be 360 degrees. That is to ensure that all the space around that point is covered. But 108 is not a factor of 360 so it is not possible.
Is a triangle a tessellation?
Yes it is a tessellation.
A tessellation that uses more than one kind of regular polygon is called an?
A tessellation that uses more than one kind of regular polygon is called a semi-regular tessellation.
why cant a regular tessellation use only pentagons?
A regular tessellation is one that uses regular polygons. An interior angle of a regular pentagon measures 108 degrees. A full circle, 360 degrees, is not divisible by 108 degrees. Consequently, it is not possible to arrange a number of polygons so that they meet at a point without gap or overlap.
