12. Statistics – Textbook Solutions (Exercise 12.1)
Q1. A survey conducted by an organisation for the cause of illness and death among the women between the ages […]
Class 9th maths Solutions
Class 9th maths Solutions
Class 9th maths Solutions
11. Surface Areas and Volumes – Textbook Solutions (Exercise 11.1, 11.2, 11.3 and 11.4)
Exercise 11.1 Q1. Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm.
Class 9th maths Solutions
10. Heron’s Formula – Textbook Solutions (Exercise 10.1)
Q1. A traffic signal board, indicating ‘SCHOOL AHEAD’, is an equilateral triangle with side ‘a’. Find the area of the
Class 9th maths Solutions
09. Circles – Textbook Solutions (Exercise 9.1, 9.2 and 9.3)
Exercise 9.1 Q1. Recall that two circles are congruent if they have the same radii. Prove that equal chords of
Class 9th maths Solutions
08. Quadrilaterals – Textbook Solutions
Exercise 8.1 Q1. If the diagonals of a parallelogram are equal, then show that it is a rectangle.Ans: Given that,AC
Class 9th maths Solutions
07. Triangles – Textbook Solutions (Exercise 7.1-7.3)
Exercise 7.1 Q1. In quadrilateral ACBD, AC = AD and AB bisects ∠A. Show that ∆ ABC ≅ ∆
Class 9th maths Solutions
06. Lines and Angles – Textbook Solutions
Exercise 6.1 Q1. In Fig. 6.13, lines AB and CD intersect at O. If ∠AOC +∠BOE = 70° and ∠BOD
Class 9th maths Solutions
05. Introduction to Euclid’s Geometry – Textbook Solutions (Exercise 5.1)
Q1: Which of the following statements are true and which are false? Give reasons for your answers.(i) Only one line
Class 9th maths Solutions
04. Linear Equations in Two Variables – Textbook Solutions
Exercise 4.1 Q1. The cost of a notebook is twice the cost of a pen. Write a linear equation in
Class 9th maths Solutions
03. Coordinate Geometry – Textbook Solutions (Exercise 3.1 and 3.2)
Exercise 3.1 Q1. How will you describe the position of a table lamp on your study table to another person?Ans: