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Quadrilaterals. Quadrilateral just means "four sides". (quad means four, lateral means side). A Quadrilateral has four-sides, it is 2-dimensional (a flat shape), closed (the lines join up), and has straight sides.
In order to decide if shapes are similar: Decide which sides are pairs of corresponding sides. Find the ratios of the sides. Check if the ratios are the same.
Examine the properties of the quadrilateral, including side lengths and angle measurement. This quadrilateral has 4 4 sides. The opposite sides are the same length, as shown by the tick marks. It also has 4 4 angles of equal measure, all of which are 90∘ 90∘ or right angles.
How to classify a quadrilateral. Types and properties of quadrilaterals worksheet. Get your free types and properties of quadrilaterals worksheet of 20+ questions and answers. Includes reasoning and applied questions. DOWNLOAD FREE. Related lessons on polygons.
A polygon is a plane shape with straight sides. Is it a Polygon? Polygons are 2-dimensional shapes. They are made of straight lines, and the shape is "closed" (all the lines connect up). Polygon comes from Greek. Poly- means "many" and -gon means "angle". Types of Polygons. Regular or Irregular.
A quadrilateral is a closed shape that is formed by joining four points among which any three points are non-collinear. In simple words, a quadrilateral is a polygon with 4 sides, 4 angles, and 4 vertices.
Parallelogram. Properties: 2 pairs of parallel lines. 2 acute and 2 obtuse angles. 2 pairs of sides that are equal length.
