![]() The interior angles are equal but the side lengths are not equal. Therefore, AB has a different length to BC. However, the triangles AED and ABC are scalene. When the number of sides is unknown, we describe this shape as an \textbf. As well as the names, children need to know the properties of 2D shapes as listed below and in the printable table. ![]() Learning 2D shapes through Third Space Learning’s online interventions Properties of 2D shapes. When we move on to 3D shapes we talk about faces, edges and vertices. Each point of the curved line is an equal distance from its centre. Here is a list of 2D shapes and their properties: 2D Shape. A rhombus, a kite, a square and a rectangle are all examples of quadrilaterals. Irregular shapes (or polygons) do not have all equal sides and do not have all equal angles. The properties of 2D shapes refer to their sides and angles. The term quadrilateral refers to a four-sided shape. They have all sides of equal length and all interior angles are equal.Įxamples of basic 2D shapes that are regular polygons are equilateral triangles and squares. Regular polygons have specific properties. You will deal with two different types of polygons. ![]() If youre seeing this message, it means were having trouble loading external resources on our website. From triangles to quadrilaterals to polygons, youll learn how to tell them apart and understand what makes each one unique. Polygons are 2D shapes made from straight lines. Different shapes have different properties, and in this unit, youll get to know them all.
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