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The chapter covers essential concepts in geometry including similarity of figures, properties and theorems related to circles, and techniques for geometric constructions. Key criteria for establishing similarity in triangles are highlighted, alongside fundamental properties of tangents and cyclic quadrilaterals. Techniques for accurate construction of geometric shapes using compass and ruler are also discussed.
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References
m3.pdfClass Notes
Memorization
What we have learnt
Final Test
Revision Tests
Term: Similarity
Definition: Two figures are similar if they have the same shape but are not necessarily the same size.
Term: Tangent
Definition: A tangent to a circle is a line that touches the circle at exactly one point and is perpendicular to the radius at that point.
Term: Cyclic Quadrilateral
Definition: A quadrilateral inscribed in a circle where the opposite angles are supplementary.
Term: Construction
Definition: A method of drawing geometric shapes using a compass and a straightedge to create precise figures.