Answer:
The regular polygon that could be used for tessellation is:
Triangle.
Explanation:
Tessellation is a geometry that is formed by a repeating pattern of same shape without any gaps.
We can use only three regular polygon for the formation of Tessellation:
1) Equilateral Triangle
2) Square
3) Regular Hexagon.
Hence, from the given option the regular polygon that can be used to form a tessellation is:
Triangle.