"a shape with twelve sides is called a 12-gon..... i promise its in my math book!" Officially its called a dodecagon. Often polygons with a lot of sides start being called x-gon where x is the number of sides.
Divide The Little Shape By The Big Shape ,
A shape with 7 sides.
2d
Any plane shape.
The solid shape for a book is a cube
rectangular
Rectangle
A rectangle book has a rectangular shape, with four straight sides and four right angles.
Approximatively parallelepipedal
square the correct answer for that would be a prism
Stack.
Approximatively a parallelepipedal
A hook shape
It's kinda like a book.
Pentagon
I think its a rectangular prism