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Mathematics A

  • IGCSE Edexcel
  • Revision Notes

4. Geometry

4.1 Angles, Lines and Triangles>4.2 Polygons>4.3 Symmetry>4.4 Measures>4.5 Construction>4.6 Circle Properties>4.7 Geometric Reasoning>4.8 Trigonometry and Pythagoras’ Theorem>4.9 Mensuration of 2D Shapes>4.10 3D Shapes and Volumes>4.11 Similarity>

1.1 Integers >1.2 Fractions >1.3 Decimals >1.4 Powers and Roots >1.5 Set Language and Notation >1.6 Percentages >1.7 Ratio and Proportion >1.8 Degree of Accuracy >1.9 Standard Form >1.10 Applying Numbers >1.11 Electronic Calculator >

2.1 Use of Symbols >2.2 Algebraic Manipulation >2.3 Expressions and Formulae >2.4 Linear Equations >2.5 Proportion (Higher Tier Only) >2.6 Simultaneous Linear Equations >2.7 Quadratic Equations >2.8 Inequalities >

3.1 Sequences >3.2 Function Notation (Higher Tier Only) >3.3 Graphs >3.4 Calculus (Higher Tier Only) >

5.1 Vectors (Higher Tier Only) >5.2 Transformation Geometry >

6.1 Graphical Representation of Data >6.2 Statistical Measures >6.3 Probability >

7.1 Appendix 1: Foundation Tier Formula Sheet (Given) >7.2 Appendix 2: Foundation Tier Formula Sheet (To Memorise) >7.3 Appendix 3: Higher Tier Formula Sheet (Given) >7.4 Appendix 4: Higher Tier Formula Sheet (To Memorise) >7.5 Appendix 5: Notation >

4.2 Polygons

4.2.1 Recognise and give the names of polygons

4.2.2 Understand and use the term ‘quadrilateral’ and the angle sum property of quadrilaterals

4.2.3 Understand and use the properties of the parallelogram, rectangle, square, rhombus, trapezium and kite

4.2.4 Understand the term ‘regular polygon’ and calculate interior and exterior angles of regular polygons

4.2.5 Understand and use the angle sum of polygons

For a polygon with n sides, the interior angles will sum to 180 x (n – 2)

4.2.6 Understand congruence as meaning the same shape and size

Two shapes are congruent if they are exactly the same shape and size.

4.2.7 Understand that two or more polygons with the same shape and size are said to be congruent to each other

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