← Science & Maths

📐 Maths

CBSE · Class 9 only. No other boards, classes, or GCSE chapters are shown here.

Chapters

Euclid's Geometry

Axioms, postulates and foundations of geometry.

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Heron's Formula

Area of a triangle from its three sides.

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Angles, properties and special quadrilaterals.

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Frequency tables and summaries of data.

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Triangles: Congruence

SSS, SAS, ASA, RHS and matching triangles.

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