Page 16.5 Ex. 16.1 Q1. Answer : (i) All points lying inside or outside a circle are called interior points or exterior points. Let the point P, Q and R are lie inside, outside or on the circle C(O, r) in such a way as given in the figure Thus the answer is (ii) Given […]

# R.D Sharma Solutions Class 9th Maths, CBSE / NCERT Sample Papers

## Heron’s Formula, Class 9 Mathematics R.D Sharma Solutions

Page 12.8 Ex. 12.1 Q1. Answer : Whenever we are given the measurement of all sides of a triangle, we basically look for Heron’s formula to find out the area of the triangle. If we denote area of the triangle by A, then the area of a triangle having sides a, b, c and s […]

## Areas of Parallelograms and Triangles, Class 9 Maths R.D Sharma Solutions

Page. 15.3 Ex.15.1 Q1. Answer : GIVEN: Here in the question figure 1 to 6 are shown. To Find : (1) The figures which lie on the same base and between the same parallels. (2) Write the common base and parallels. As we know that ‘Two geometric figures are said to be on the same […]

## Quadrilaterals, Class 9 Mathematics R.D Sharma Solutions

Page 14.4 Ex. 14.1 Q1. Answer : Let the measure of the fourth angles be x°. We know that the sum of the angles of a quadrilateral is 360°. Therefore, Hence the measure of the fourth angle is . Q2. Answer : We have ,. So, let , , And By angle sum property of […]

## Linear Equations in Two Variables, Class 9 Maths R.D Sharma Solutions

Page 13.3 Ex. 13.1 Q1. Answer : (i) We are given –2x + 3y – 12 = 0 Comparing the given equation with ,we get a=–2; b = 3; c = –12 (ii) We are given Comparing the given equation with ,we get (iii) We are given Comparing the given equation with ,we get (iv) We are given Comparing the given equation with ,we get (v) We […]

## Coordinate Geometry, Class 9 Maths R.D Sharma Solutions

Page 11.6 Ex. 11.1 Q1. Answer : The following points are given below. (i) (ii) (iii) (iv) (v) (vi) (vii) (viii) (ix) (x) Letand be the coordinate axes. (i) Here for the given point the abscissa is 2 units and ordinate is 5 units. The point is in the first quadrant. So it will look like […]

## Number System, Class 9 Mathematics R.D Sharma Solutions

Page 1.12 Ex. 1.2 Q1. Answer : (i) Given rational number is Now we have to express this rational number into decimal form. So we will use long division method as below. Hence, (ii) Given rational number is Now we have to express this rational number into decimal form. So we will use […]

## Probability, Class 9 Mathematics R.D Sharma Solutions

Page no. 25.16 Formative Assessment_VSA Q1. Answer : What is the meaning of trial? The word trial means a test of performance, qualities, or suitability. Definition: Any particular performance of a random experiment is called a trial. That is, when we perform an experiment it is called a trial of the experiment. By experiment or trial, […]

## Introduction to Euclid’s Geometry, Class 9 Maths R.D Sharma Solutions

Page no. 7.8 Ex. 7.1 Q1. Answer : The given problem requires definitions of various terms. (i) Line segment: A line segment AB can be defined as the part of the line with end points A and B, whereA and B are the two points of the line. It is denoted by Let us take a line […]

## Polynomials, Class 9 Mathematics R.D Sharma Solutions

Algebraic Identities Page no. 4.11 Ex. 4.2 Q1. Answer : In the given problem, we have to find expended form (i) Given We shall use the identity By applying in identity we get Hence the expended form of is (ii) Given We shall use the identity Here By applying in identity we get Hence the […]

## Probability, Class 9 Mathematics R.D Sharma Solutions

Probability Ex. 25.1 Q – 13 “Page No. 25.15” (R.D. Sharma Maths Class 9th) Probability Ex. 25.1 Q – 14 “Page No. 25.15” (R.D. Sharma Maths Class 9th)

## Statistics, Class 9 Mathematics R.D Sharma Solutions

Statistics Example 10 “Page No. 18.22” (R.D. Sharma Maths Class 9th) Statistics Example 12 “Page No. 18.23” (R.D. Sharma Maths Class 9th) Statistics Example 13 “Page No. 18.23” (R.D. Sharma Maths Class 9th) Statistics Example 15 “Page No. 18.24” (R.D. Sharma Maths Class 9th) Statistics Example 16 “Page No. 18.24” (R.D. Sharma Maths Class 9th) […]

## Surface Areas and Volumes, Class 9 Maths R.D Sharma Solutions

Surface Areas & Volumes Example 13, “Page No. 18.9” (R.D. Sharma Maths Class 9th) Surface Areas & Volumes Example 14, “Page No. 18.9” (R.D. Sharma Maths Class 9th) Surface Areas & Volumes Example 15, “Page No. 18.9” (R.D. Sharma Maths Class 9th) Surface Areas & Volumes Example 17, “Page No. 18.10” (R.D. Sharma Maths Class […]

## Heron’s Formula R.D Sharma Solutions

## Geometric Constructions R.D Sharma Solutions

## Circles, Class 9 Mathematics R.D Sharma Solutions

Circles Example 3 “Page No. 16.13” (R.D. Sharma Maths Class 9th) Circles Example 4 “Page No. 16.13” (R.D. Sharma Maths Class 9th) Circles Example 6 “Page No. 16.14” (R.D. Sharma Maths Class 9th) Circles Example 8 “Page No. 16.15” (R.D. Sharma Maths Class 9th) Circles Example 14 “Page No. 16.19” (R.D. Sharma Maths Class 9th) […]

## Areas of Parallelograms and Triangles, Class 9 Maths R.D Sharma Solutions

Areas of Parallelograms and Triangles Example 8 “Page no. 15.18” (R.D. Sharma Maths Class 9th) Areas of Parallelograms and Triangles Example 23 “Page no. 15.27” (R.D. Sharma Maths Class 9th) Areas of Parallelograms and Triangles Example 38 “Page no. 15.34” (R.D. Sharma Maths Class 9th) Areas of Parallelograms and Triangles Example 40 “Page no. 15.35” […]

## Quadrilaterals, Class 9 Mathematics R.D Sharma Solutions

Quadrilaterals Example 4, “Page No.14.3” (R.D. Sharma Maths Class 9th) Quadrilaterals Example 13, “Page No.14.2” (R.D. Sharma Maths Class 9th) Quadrilaterals Example 6, “Page No.14.12” (R.D. Sharma Maths Class 9th) Quadrilaterals Example 12, “Page No.14.15” (R.D. Sharma Maths Class 9th) Quadrilaterals Example 15, “Page No.14.17” (R.D. Sharma Maths Class 9th) Quadrilaterals Example 13, “Page No.14.16” […]