Find the area and perimeter of the following types of polygons:

- Triangles (equilateral, isosceles, right and scalene).
- Quadrilaterals (squares, rectangles, rhombuses, parallelograms and trapezoids)
- Pentagons (regular pentagons)
- Hexagons (regular hexagons)
- Heptagons (regular heptagons)
- Octagons (regular octagons)

It includes different cases according to the known data available.
Calculate the missing dimensions from the known data.