Learn about angles in triangles and quadrilaterals with this BBC Bitesize Maths article. For students between the ages of 11 and 14.
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Angle S
Angles in triangles and quadrilaterals - KS3 Maths - BBC Bitesize
Angles in triangles and quadrilaterals - KS3 Maths - BBC Bitesize
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Angles in polygons - KS3 Maths - BBC Bitesize