Question

question 4 of 25

a semi-regular tesselation may have:

a. gaps between shapes
b. overlapping shapes
c. only one type of shape
d. three types of shapes

Explanation:

Define a tessellation

Using the Tessellation Definition knowledge point
A tessellation is a covering of a flat plane using geometric shapes without any gaps or overlaps. This rule immediately eliminates options A and B.

Define a semi-regular tessellation

Using the Semi-regular Tessellation knowledge point
A semi-regular tessellation is made using two or more types of regular polygons arranged such that the vertex configuration is identical at every vertex. Since it requires two or more types of shapes, option C is incorrect. Some semi-regular tessellations, such as the 3-4-6-12 vertex configuration, use three different types of regular polygons (triangles, squares, hexagons, and dodecagons), making option D the correct choice.

Answer:

• A. gaps between shapes
• B. overlapping shapes
• C. only one type of shape
• D. three types of shapes (Correct answer)