Ihave 2 questions can you ?

1. how many sides can a shape have?

2. can a shape have 20 sides?

3. this is a part b to question 2 by the way . is that even possible?

i just got asked these questions so yeah. for your !

Question 1:
This depends on the shape's type. For example, a triangle has 3 sides and a square has 4 sides.
Question 2 (and 3):
Yes, it is possible for shapes to have up to 20 sides. Look at the image attached. This is an Icosagon. In geometry, an icosagon is a twenty-sided polygon. 

A=bxh3.2x1.8=5.76 centimeters square