NCERT Solutions · Class 11

NCERT Solutions for Class 11 Maths Chapter 10 Straight Lines — Exercise 10.2

Step-by-step NCERT Solutions for Class 11 Maths Chapter 10 (Straight Lines), Exercise 10.2. 20 questions with answers — read online free on NCERT Help.

Maths Chapter 10 Exercise 10.2 20 questions
ClassClass 11
SubjectMaths
ChapterChapter 10 — Straight Lines
ExerciseExercise 10.2
Questions solved20

Exercises in this chapter

Questions & step-by-step answers

EXERCISE 10.2 In Exercises 1 to 8, find the equation of the line which satisfy the given conditions:

Question 1:Write the equations for the x-and y-axes.

NCERT class 11 maths chapter 10 Straight Lines

Question 2:Passing through the point (– 4, 3) with slope 2 1 .

Question 3:Passing through (0, 0) with slope m.

Exercise 10.2 maths class 11 Chapter 10 Straight Lines

Question 4:Passing through (2, 2 3)and inclined with the x-axis at an angle of 75o.

CBSE class 11 maths ncert solutions Chapter 10

Question 5:Intersecting the x-axis at a distance of 3 units to the left of origin with slope –2.

Question 6:Intersecting the y-axis at a distance of 2 units above the origin and making an angle of 30o with positive direction of the x-axis.

class 11 maths solutions Straight Lines

Question 7:Passing through the points (–1, 1) and (2, – 4).

NCERT class 11 chemistry chapter 10 exercise solutions

Question 8:Perpendicular distance from the origin is 5 units and the angle made by the perpendicular with the positive x-axis is 300.

Question 9:The vertices of D PQR are P (2, 1), Q (–2, 3) and R (4, 5). Find equation of the median through the vertex R.

Straight Lines class 11 ncert solutions

Question 10:Find the equation of the line passing through (–3, 5) and perpendicular to the line through the points (2, 5) and (–3, 6).

class 11 Maths NCERT Solutions Chapter 10 Straight Lines Exercise 10.2

Question 11:A line perpendicular to the line segment joining the points (1, 0) and (2, 3) divides it in the ratio 1: n. Find the equation of the line.

Exercise 10.2 class 11 Math ncert solutions Chapter 10

Question 12:Find the equation of a line that cuts off equal intercepts on the coordinate axes and passes through the point (2, 3).

Question 13:Find equation of the line passing through the point (2, 2) and cutting off intercepts on the axes whose sum is 9.

EXERCISE 10.2In Exercises 1 to 8, find the equatio

Question 14:Find equation of the line through the point (0, 2) making an angle 2 3 with the positive x-axis. Also, find the equation of line parallel to it and crossing the y-axis at a distance of 2 units below the origin.

class 11 maths ncert solution pdf download Chapter 10

Question 15:The perpendicular from the origin to a line meets it at the point (–2, 9), find the equation of the line.

Question 16:The length L (in centimetre) of a copper rod is a linear function of its Celsius temperature C. In an experiment, if L = 124.942 when C = 20 and L= 125.134 when C = 110, express L in terms of C.

Straight Lines Math ncert solution class 11

Question 17:The owner of a milk store finds that, he can sell 980 litres of milk each week at Rs 14/litre and 1220 litres of milk each week at Rs 16/litre. Assuming a linear relationship between selling price and demand, how many litres could he sell weekly at Rs 17/litre?

Straight Lines ncert solutions class 11

Question 18:P (a, b) is the mid-point of a line segment between axes. Show that equation of the line is + = 2 b y a x .

Question 19:Point R (h, k) divides a line segment between the axes in the ratio 1: 2. Find equation of the line.

CBSE NCERT Solutions For class 11 Straight Lines

Question 20:By using the concept of equation of a line, prove that the three points (3, 0), (– 2, – 2) and (8, 2) are collinear.

About this exercise

NCERT Solutions for Class 11 Chapter 10 Ex10.2 Straight Lines

Frequently asked questions

Where can I read NCERT Solutions for Class 11 Maths Exercise 10.2?

You can read step-by-step NCERT Solutions for Class 11 Maths Chapter 10 Exercise 10.2 online on NCERT Help at this page — no download required.

How many questions are solved in Exercise 10.2?

This page includes 20 NCERT textbook questions with detailed answers.

What are the other exercises in this chapter?

Browse all exercises for Class 11 Maths Chapter 10 using the exercise switcher on this page or the full chapter list on the subject hub.