Math+Unit+3

3.1 and 3.2 media type="custom" key="21457942"

Perimeter media type="custom" key="21469244"

media type="youtube" key="KwXBMGdSWmI" height="315" width="420"

Perimeter simplified: media type="youtube" key="6_TGtkD2P7g" height="315" width="420"

Area and Perimeter of Irregular shapes

Play perimeter shape shoot

Play area shape shoot