#### NCERT Class 9 Maths Triangles

You have studied about triangles and their various properties in your earlier classes. You know that a closed figure formed by three intersecting lines is called a triangle. (‘Tri’ means ‘three’). A triangle has three sides, three angles and three vertices.…

#### NCERT Class 9 Maths Triangles Questions

Triangles and their parts, Congruence of triangles, Congruence and correspondence of vertices, Criteria for Congruence of triangles: (i) SAS (ii) ASA (iii) SSS (iv) RHS AAS criterion for congruence of triangles as a particular case of ASA criterion. • Angles opposite…

#### NCERT Class 9 Maths Surface Areas And Volumes

Wherever we look, usually we see solids. So far, in all our study, we have been dealing with figures that can be easily drawn on our notebooks or blackboards. These are called plane figures. We have understood what rectangles, squares and circles are, what we mean by…

#### NCERT Class 9 Maths Surface Areas And Volumes Questions

• Cuboid whose length = l, breadth = b and height = h (a) Volume of cuboid = lbh (b) Total surface area of cuboid = 2 ( lb + bh + hl ) (c) Lateral surface area of cuboid = 2 h (l + b) (d) Diagonal of cuboid =√ l2 +b2 + h2 • Cube whose edge = a (a) Volume of cube…

#### NCERT Class 9 Maths Students Evaluation In Mathematics

A. IntroductionThe fascinating world of mathematics provides an unlimited scope to mathematicians to perceive problems pertaining to three situations visualised in the forms of concrete, abstraction and intuition. However, due to abstraction and intuition, sometimes some of…

#### NCERT Class 9 Maths Statistics

(A) Main Concepts and Results Statistics Meaning of ‘statistics’, Primary and secondary data, Raw/ungrouped data, Range of data, Grouped data-class intervals, Class marks, Presentation of data - frequency distribution table, Discrete frequency distribution…

#### NCERT Class 9 Maths Statistics and Probability Questions

Statistics Meaning of ‘statistics’, Primary and secondary data, Raw/ungrouped data, Range of data, Grouped data-class intervals, Class marks, Presentation of data - frequency distribution table, Discrete frequency distribution and continuous frequency distribution. •…

#### NCERT Class 9 Maths Question Paper and Answers2

Please refer to attached file for NCERT Class 9 Maths Question Paper and Answers2

#### NCERT Class 9 Maths Question Paper and Answers

Please refer to attached file for NCERT Class 9 Maths Question Paper and Answers

#### NCERT Class 9 Maths Quadrilaterals

NCERT Class 9 Maths Quadrilaterals. Download NCERT Chapters and Books in pdf format. Easy to print and read. Copies of these textbooks may be downloaded and used as textbooks or for reference. Refer to other chapters and books at other links (NCERT now providing you…

#### NCERT Class 9 Maths Quadrilaterals Questions

(A) Main Concepts and Results Sides, Angles and diagonals of a quadrilateral; Different types of quadrilaterals: Trapezium, parallelogram, rectangle, rhombus and square. • Sum of the angles of a quadrilateral is 360º, • A diagonal of a parallelogram divides it…

#### NCERT Class 9 Maths Probability

15.1 Introduction In everyday life, we come across statements such as (1) It will probably rain today. (2) I doubt that he will pass the test. (3) Most probably, Kavita will stand first in the annual examination. (4) Chances are high that the prices of…

#### NCERT Class 9 Maths Polynomials

Please refer to attached file for NCERT Class 9 Maths Polynomials

#### NCERT Class 9 Maths Polynomials Questions

You have studied algebraic expressions, their addition, subtraction, multiplication and division in earlier classes. You also have studied how to factorise some algebraic expressions. You may recall the algebraic identities : (x + y)2 = x2 + 2xy + y2 (x – y…