Find the perimeters of a range of plane shapes, including parallelograms, trapeziums, rhombuses, kites and simple composite figures

1. On Edge 2 - perimeter of parallelogram given 2 sides; cm
2. Perimeter Peril 3 - perimeter of regular dodecahedron given side length
3. Perimeter Peril 2 - perimeter of regular heptagon given side length
4. Perimeter Peril 1 - perimeter of regular octagon given side length
5. Flower Power - perimeter problem; m