Embibe Big Book for Mathematics for Sikkim Board Class 9

Mathematics

Heron's Formula

This chapter covers topics, such as, Area of Triangle Using Base and Height, Area of Triangle Using Heron's Formula & Area of Quadrilateral Using Heron's Formula etc.

This topic covers concepts, such as, Area of a Triangle, Area of a Right Triangle, Area of an Equilateral Triangle & Area of an Isosceles Triangle etc.

Area of Triangle Using Base and Height

This topic covers concepts, such as, Perimeter of a Triangle, Semi-perimeter of a Triangle & Heron's Formula etc.

Area of Triangle Using Heron's Formula

This topic covers concepts, such as, Area of Quadrilaterals using Heron's Formula & Area of Polygons using Heron's Formula etc.

Area of Quadrilateral Using Heron's Formula

Secondary School Mathematics FOR CLASS 9

Mathematics Class 9

NCERT Exemplar Mathematics - Class 9

Full Marks Mathematics 9

MATHEMATICS Textbook for Class IX

Activity Plus in Mathematics

History & Derivation of Heron's Formula

Area of a Triangle by Heron's Formula

Heron's Formula for Finding Area of Triangle

Area of Different Types of Triangles

Finding Area of a Quadrilateral Using Heron's Formula

This chapter covers topics, such as, Understanding Area of Plane Figures, Triangles on the Same Base and between the Same Parallels & Parallelograms on the Same Base and between the Same Parallels etc.

Area of Parallelogram and Triangles

This chapter covers topics, such as, Equivalent Versions of Euclid's Fifth Postulate, Euclid's Definitions & Axioms and Postulates etc.

Introduction to Euclid's Geometry

This chapter covers topics, such as, Types of Quadrilaterals, Angle Sum Property of a Quadrilateral, Properties of a Parallelogram & The Mid-point Theorem etc.

Quadrilaterals

This chapter covers topics, such as, Congruence of Triangles, Properties of a Triangle, Inequalities in a Triangle, Criteria for Congruence of Triangles & RHS and SSS Criteria for Congruence etc.

Triangles

This chapter covers topics, such as, Constructions of Triangles & Basic Constructions etc.

Constructions

This chapter covers topics, such as, Circles and its Related Terms, Equal Chords and their Distances from the Centre, Cyclic Quadrilaterals & Perpendicular from the Centre to a Chord etc.

Circles

This chapter covers topics, such as, Angle Sum Property of a Triangle, Pairs of Angles, Lines Parallel to the Same Line, Parallel Lines and a Transversal, Basic Terms for Angles between Lines & Intersecting Lines and Non-intersecting Lines etc.

Lines and Angles

This chapter covers topics, such as, Introduction to Coordinate Geometry, Plotting a Point in the Plane if Its Coordinates are Given & Cartesian System etc.

Coordinate Geometry

This chapter covers topics, such as, Volume of a Cylinder, Volume of a Sphere, Volume of a Cuboid & Surface Area of a Cuboid and a Cube etc.

Surface Areas and Volumes

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Heron's Formula

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