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Mathematics — First Preparatory Mathematics — Second Preparatory Mathematics — Third Preparatory

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Integrated Science — First Secondary

Lesson 1

Similarity

Lesson parts

1.1 2-1 Ratio and proportion (revision)2-1 Ratio and proportion (revision)1.1

1.2 2-2 Definition of the similarity of two polygons2-2 Definition of the similarity of two polygons1.2

1.3 2-3 The scale factor, unknown lengths and map scale2-3 The scale factor, unknown lengths and map scale1.3

1.4 2-4 Cases of similarity of triangles2-4 Cases of similarity of triangles1.4

1.5 2-5 Finding lengths and proving relations by similarity2-5 Finding lengths and proving relations by similarity1.5

1.6 2-6 The right triangle and Euclid's theorems2-6 The right triangle and Euclid's theorems1.6

1.7 2-7 Pythagoras' theorem and its converse2-7 Pythagoras' theorem and its converse1.7

1.8 2-8 Areas, heights and the line parallel to one side2-8 Areas, heights and the line parallel to one side1.8

1.9 2-9 Similarity inside the circle2-9 Similarity inside the circle1.9

1.10 2-10 The converses: four concyclic points and proving a tangent2-10 The converses: four concyclic points and proving a tangent1.10

1.11 Exam traps and key takeawaysExam traps and key takeaways1.11