Finding
   the
Perimeter
Take a walk around the        16
       edge!
         6      10 cm
                                The perimeter
                                is…


 6cm
                                 32cm !
32

                                       22
Take a walk around the
     edge!
                       8
                              The perimeter
                              is…


                       8cm
      8cm
26                             26 cm !
                                      16

               10 cm
12 a walk around the
          Take
                           16
          edge!
This is a regular
  8
octagon with sides                      20
                                 The perimeter
4 cm                             is…



      4                           32 cm !
                                      24


   32                              28
Take a walk around 30
                             the
          edge!
This shape
has sides of
                                   The perimeter
5 cm each
                                   is…
15
                                    60 cm !

                                        45
     60

Find perimeter

  • 1.
    Finding the Perimeter
  • 2.
    Take a walkaround the 16 edge! 6 10 cm The perimeter is… 6cm 32cm ! 32 22
  • 3.
    Take a walkaround the edge! 8 The perimeter is… 8cm 8cm 26 26 cm ! 16 10 cm
  • 4.
    12 a walkaround the Take 16 edge! This is a regular 8 octagon with sides 20 The perimeter 4 cm is… 4 32 cm ! 24 32 28
  • 5.
    Take a walkaround 30 the edge! This shape has sides of The perimeter 5 cm each is… 15 60 cm ! 45 60