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Theory

 1 Introduction to circle 2 Circle through three points 3 Theorems on perpendicular from the centre to a chord 4 Theorems on angle subtended by the chord at the centre 5 Theorems on equal chords 6 Theorems on angle at the centre and the circumference 7 Special cases of angle at the centre and the circumference 8 Theorems on angles at the circumference to the same segment 9 Theorem on interior angles of a cyclic quadrilaterals 10 Theorem on exterior angles of a cyclic quadrilaterals 11 Construction of incircle of a triangle 12 Construction of centroid of a triangle

Exercises

 1 Knowing the parts Difficulty: easy 3 2 Choose the correct answer Difficulty: easy 2 3 Find the unknown angle Difficulty: easy 1 4 Find the required angle Difficulty: medium 3 5 Find the degree measure of 'x' Difficulty: medium 2 6 Find the subtended angle Difficulty: medium 2 7 Find the distance Difficulty: medium 4 8 Find the area of the shaded region Difficulty: medium 2 9 Find the angles from the figure Difficulty: medium 3 10 Find the unknown angle 'y' Difficulty: medium 2 11 Identify the theorem and analyse Difficulty: hard 4 12 Find the chord length Difficulty: hard 4 13 Prove the problem Difficulty: hard 4 14 Explore the unknown angles Difficulty: hard 5

Tests

 1 Training test Difficulty: medium 6 2 Training test Difficulty: hard 7

Teacher manual

 1 Methodical recommendation