Edexcel IGCSE Maths 复习笔记 4.8.1 Pythagoras Theorem
Edexcel IGCSE Maths 复习笔记 4.8.1 Pythagoras Theorem What is Pythagoras? Pythagoras was a Greek mathematician who lived over 2500 years ago He is most famous for Pythagoras’ Theorem, which include...
Edexcel IGCSE Maths 复习笔记 4.7.1 Intersecting Chord Theorem
Edexcel IGCSE Maths 复习笔记 4.7.1 Intersecting Chord Theorem What are circle theorems? Circle theorems are angle (and distance) properties that arise when lines and shapes drawn within or connecte...
Edexcel IGCSE Maths 复习笔记 4.6.4 Circle Theorems - Alternate Segment
Edexcel IGCSE Maths 复习笔记 4.6.4 Circle Theorems - Alternate Segment What you need to know Alternate Segment Theorem The Alternate Segment Theorem states that the angle betwe...
Edexcel IGCSE Maths 复习笔记 4.6.3 Circle Theorems - Cyclic Quadrilaterals
Edexcel IGCSE Maths 复习笔记 4.6.3 Circle Theorems - Cyclic Quadrilaterals More advanced circle theorems 1. Opposite angles in a cyclic quadrilateral add up to 180° Double-check is that all ...
Edexcel IGCSE Maths 复习笔记 4.6.2 Circle Theorems - Tangents
Edexcel IGCSE Maths 复习笔记 4.6.2 Circle Theorems - Tangents What do I need to know about tangents 1. A radius and a tangent are perpendicular Note that perpendicular lines meet at right angles &n...
Edexcel IGCSE Maths 复习笔记 4.6.1 Circle Theorems - Angles at Centre & Circumference
Edexcel IGCSE Maths 复习笔记 4.6.1 Circle Theorems - Angles at Centre & Circumference What are circle theorems? You will have learned a lot of angle facts for your GCSE – angles in polygons, an...
Edexcel IGCSE Maths 复习笔记 4.5.1 Loci & Construction
Edexcel IGCSE Maths 复习笔记 4.5.1 Loci & Construction What are loci and constructions? A locus (loci is plural) is a line/shape/path that is determined by following a rule – eg. always being 2...
Edexcel IGCSE Maths 复习笔记 4.4.2 Speed, Density & Pressure - Harder
Edexcel IGCSE Maths 复习笔记 4.4.2 Speed, Density & Pressure - Harder What are speed, density and pressure? Speed, density and pressure are compound measures – they are made from other measures...
Edexcel IGCSE Maths 复习笔记 4.4.1 Speed, Density & Pressure
Edexcel IGCSE Maths 复习笔记 4.4.1 Speed, Density & Pressure What connects speed, density & pressure? Speed, density and pressure are all examples of variables which are calculated by divid...
