Mathematics Part - II (Geometry)
Explore the complete Class 9 Mathematics Part - II (Geometry) syllabus
1. Basic Concepts in Geometry
- Point, line and plane
- Co-ordinates of a points and distance
- Betweenness
- Conditional statements
- Proof
2. Parallel Lines
- Properties of angles formed by
- parallel lines and its transversal
- Tests of parallel-ness of two lines
- Use of properties of parallel lines
3. Triangles
- Theorem of remote interior angles of a triangle
- Congruence of triangles
- Theorem of an isosceles triangle
- Property of 30°- 60°- 90° angled triangle
- Median of a triangle
- Property of median on hypotenuse of a right angled triangle
- Perpendicular bisector theorem
- Angle bisector theorem
- Similar triangles
4. Constructions of Triangles
- To construct a triangle, if following information is given.
- Base, an angle adjacent to the base and sum of lengths of two remaining sides.
- Base, an angle adjacent to the base and difference of lengths of remaining two sides.
- Perimeter and angles adjacent to the base.
5. Quadrilaterals
- Parallelogram
- Tests of parallelogram
- Rhombus
- Rectangles
- Mid point theorem
- Square
- Trapezium
6. Circle
- Circle
- Property of chord of the circle
- Incircle
- Circumcircle
7. Co-ordinate Geometry
- Axis, Origin, Quadrant
- Co-ordinates of a point in a plane.
- To plot a point.
- Line parallel to X-axis.
- Line parallel to Y-axis.
- Equation of a line.
8. Trigonometry
- Introduction of Trigonometry
- Trigonometric Ratios
- Relations among Trigonometric Ratios
- Trigonometric Ratios of Particular Angles
9. Surface Area and Volume
- Surface area of a cone
- Volume of a cone
- Surface area of a sphere
- Volume of a sphere