
The square
A square is a figure with 4 edges of the same length and 4 right angles like this:
Example of a square 

The triangle
A triangle is a figure with 3 edges.

Example of a triangle 
Thee rectangle
A rectangle is a figure with opposite edges of the same length and right angles like this one:
Example of a rectangle 

The rhombus
A rhombus is a figure with 4 edges of the same length.

Example of a rhombus 
The circle
A circle is a figure in which every point is at the same distance from another point called the centre of the circle (here in grey).
Example of a circle 

See also : geometry on fmaths.com

