# Calculate perimeters of common two-dimensional shapes, including squares, rectangles, triangles and regular polygons with more than four sides (ie regular polygons other than equilateral triangles and squares)

1. | All hands to the job: Multiply cm, convert to metres | |

2. | On Edge 1 - perimeter of equilateral triangle given one side; cm | |

3. | The Secret Formula 1 - select correct expression for the perimeter of a rectangle and calculate | |

4. | Growing The Greens - calculate perimeter of rectangle given side lengths | |

5. | Book Space - calculate perimeter given dimensions; rectangle |