1-Define the pattern formation & mention two of its uses:
..................................................................................
......................
..................................................................................
......................
..................................................................................
..................................................................................
............................................
2-Draw two polygons "pentagon & hexagon or pentagon and heptagon,
knowing only the length of one side or edge.
3-Draw the flat pattern of a cube with edge or side length of 5 cm, and
draw another one for a cylinder with diameter 4 cm and height 7 cm.
4-Draw the flat pattern of the following.
1-A hollow cylinder
2- A closed cylinder
3- A hollow cylinder which has been cut with a plane that is inclined by
an angle of 50 degrees
4- A closed hexagon prism with a window