# Quiz

You have now learned some important terms and notions in shape modelling. This quiz gives you the opportunity to spot any misunderstandings of concepts or definitions.

### Question 1

According to our definition of shape, which of the following properties do not help us to decide if a shape belongs to a given shape family? Multiple answers are possible.

### Question 2

Based on the classical definition of shape, how many shapes are in the family of square shapes?

### Question 3

Based on our own definition of shapes, how many shapes are in the family of square shapes?

### Question 4

Why don’t we filter out the size of a shape when we model biological shapes?

### Question 5

How can we define shape families?