Here is a really good site to help you investigate shape. You can experiment with different quadrilaterals which will help you to understand and remember their properties. It is also fun to change the angles and sides to see what difference this makes to the shape. There are other pages within this site that also allow you to look at the geometry of polygons other than quadrilaterals (including the graphic we saw some time ago where you can approximate a circle by adding in sides…). This is well worth having a look. Have fun with it!
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