Know your shapes by sight and properties. Identify triangles, quadrilaterals and polygons using sides, angles and symmetry, then match names to features quickly for KS3 problems.
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You can find more about this topic by visiting BBC Bitesize - Shapes
Rectangles have 4 straight sides and 4 right angles
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A pentagon is a 5-sided polygon
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Circles are round. Each point on their circumference is the same distance from their centre
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'Tri' means 3, as in 'tricycle'
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It is in fact a regular octagon as all eight sides are of equal length and all internal angles are of the same size
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A trapezium is a quadrilateral with only one pair of parallel sides
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HeXagons have siX sides
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Parallelograms are quadrilaterals with two pairs of parallel sides
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A polygon has at least 3 straight sides and angles
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The circle does not have any straight sides or angles and is therefore not a polygon
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