NCERT Solutions for Class 10 Maths Chapter 7 Coordinate Geometry

Get Free NCERT Solutions for Class 10 Maths Chapter 7 Ex 7.1 Coordinate Geometry Class 10 Maths NCERT Solutions are extremely helpful while doing homework. Exercise 7.1 Class 10 Maths NCERT Solutions were prepared by Experienced LearnCBSE.in Teachers. Detailed answers of all the questions in Chapter 7 Maths Class 10 Coordinate Geometry Exercise 7.1 Provided in NCERT Textbook

Topics and Sub Topics in Class 10 Maths Chapter 7 Coordinate Geometry:

Section Name Topic Name
7 Coordinate Geometry
7.1 Introduction
7.2 Distance Formula
7.3 Section Formula
7.4 Area of a Triangle
7.5 Summary

NCERT Solutions For Class 10 Maths Chapter 7 Coordinate Geometry Ex 7.1

NCERT Solutions for Class 10 Maths Chapter 7 Coordinate Geometry Ex 7.1 are part of NCERT Solutions for Class 10 Maths. Here we have given NCERT Solutions for Class 10 Maths Chapter 7 Coordinate Geometry Ex 7.1.

Board CBSE
Textbook NCERT
Class Class 10
Subject Maths
Chapter Chapter 7
Chapter Name Coordinate Geometry
Exercise Ex 7.1
Number of Questions Solved 10
Category NCERT Solutions

Ex 7.1 Class 10 Maths Question 1.
Find the distance between the following pairs of points:
(i) (2, 3), (4, 1)
(ii) (-5, 7), (-1, 3)
(iii) (a, b), (-a, -b)
Solution:
Coordinate Geometry Class 10 Maths NCERT Solutions Ex 7.1 PDF Download
Coordinate Geometry Class 10 Maths NCERT Solutions Ex 7.1 PDF Download Q1

Ex 7.1 Class 10 Maths Question 2.
Find the distance between the points (0, 0) and (36, 15).
Solution:
Coordinate Geometry Class 10 Maths NCERT Solutions Ex 7.1 PDF Q2

You can also download the free PDF of Chapter 7 Ex 7.1 Coordinate Geometry NCERT Solutions or save the solution images and take the print out to keep it handy for your exam preparation.

Download NCERT Solutions For Class 10 Maths Chapter 7 Coordinate Geometry PDF

Ex 7.1 Class 10 Maths Question 3.
Determine if the points (1, 5), (2, 3) and (-2, -11) are collinear.
Solution:
Coordinate Geometry Class 10 Maths NCERT Solutions Ex 7.1 Q3

Ex 7.1 Class 10 Maths Question 4.
Check whether (5, -2), (6, 4) and (7, -2) are the vertices of an isosceles triangle.
Solution:
Ex 7.1 Class 10 Maths NCERT Solutions Coordinate Geometry PDF Download Q4

Ex 7.1 Class 10 Maths Question 5.
In a classroom, 4 friends are seated at the points A, B, C and D as shown in the given figure. Champa and Chameli walk into the class and after observing for a few minutes Champa asks Chameli, “Don’t you think ABCD is a square?” Chameli disagrees. Using distance formula, find which of them is correct.
NCERT Solutions For Class 10 Maths Chapter 7 Coordinate Geometry Ex 7.1 Q5
Solution:
Ex 7.1 Class 10 Maths NCERT Solutions Ch 7 Coordinate Geometry PDF Download Q5

Ex 7.1 Class 10 Maths Question 6.
Name the type of quadrilateral formed, if any, by the following points, and give reasons for your answer.
(i) (-1, -2), (1, 0), (-1, 2), (-3, 0)
(ii) (-3, 5), (3, 1), (0, 3), (-1, -4)
(iii) (4, 5), (7, 6), (4, 3), (1, 2)
Solution:
Ex 7.1 Class 10 Maths NCERT Solutions Ch 7 Coordinate Geometry PDF Q6Ex 7.1 Class 10 Maths NCERT Solutions Ch 7 Coordinate Geometry Q6.1

Ex 7.1 Class 10 Maths Question 7.
Find the point on the x-axis which is equidistant from (2, -5) and (-2, 9).
Solution:
Ch 7 maths Class 10 NCERT Solutions Ex 7.1 PDF Download Q7

Ex 7.1 Class 10 Maths Question 8.
Find the values of y for which the distance between the points P (2, -3) and Q (10, y) is 10 units.
Solution:
Ch 7 maths Class 10 NCERT Solutions Ex 7.1 PDF Q8

Ex 7.1 Class 10 Maths Question 9.
If Q (0, 1) is equidistant from P (5, -3), and R (x, 6), find the values of x. Also, find the distances QR and PR.
Solution:
Ch 7 maths Class 10 NCERT Solutions Ex 7.1 Q9

Ex 7.1 Class 10 Maths Question 10.
Find a relation between x and y such that the point (x, y) is equidistant from the points (3, 6) and (-3, 4).
Solution:
Ch 7 maths Class 10 NCERT Solutions Coordinate Geometry Ex 7.1 Q10

Class 10 Maths Coordinate Geometry Mind Maths

Coordinate of a Point in XY – Plane

The Perpendicular distance of x a point from the y-axis is called its x-coordinate or abscissa. The perpendicular distance y of a point from the x-axis is called its y-coordinate or ordinate. The x and y taken together in order is called coordinte of point denoted by (x, y).
The coordinate of the points on x-axis are of the form (x, 0) and the points on the y-axis are of the form(0, y). Coordinate of origin is (0, 0).

Sign-conventions in the XY-Plane

The x and y-axis divide the plane into four parts known as quadrants denoted by I, II, III and IV. The sign of x and y-coordinates in each of the quadrant is shown below:
NCERT Solutions For Class 10 Maths Chapter 7 Coordinate Geometry Ex 7.1 Mind Map 1

Distance Formula

The distance between any two points
P(x1, y1) and Q(x2, y2) in the plane is given by,
NCERT Solutions For Class 10 Maths Chapter 7 Coordinate Geometry Ex 7.1 Mind Map 2
Also the distance of the point P(x1, y1) from the origin is
NCERT Solutions For Class 10 Maths Chapter 7 Coordinate Geometry Ex 7.1 Mind Map 3

Section Formula

NCERT Solutions For Class 10 Maths Chapter 7 Coordinate Geometry Ex 7.1 Mind Map 4
The coordinates of the point P(x, y) which divides the line segment joining the points A(x1, y1) and B(x2, y2) internally in the ratio m1 : m2 i.e., \(\frac{P A}{P B}=\frac{m_{1}}{m_{2}}\)
NCERT Solutions For Class 10 Maths Chapter 7 Coordinate Geometry Ex 7.1 Mind Map 5
The coordinates of the point P(x, y) which divides the line segment joining the points A(x1, y1) and B(x2, y2) externally in the ratio, m1 : m2 i.e., \(\frac{P A}{P B}=\frac{m_{1}}{m_{2}}\) are
NCERT Solutions For Class 10 Maths Chapter 7 Coordinate Geometry Ex 7.1 Mind Map 6
(iii) If the ratio in which P divides AB is K : 1, then the coordinates of the point P will be
NCERT Solutions For Class 10 Maths Chapter 7 Coordinate Geometry Ex 7.1 Mind Map 7

Mid-Point Formula

The coordinates of the mid point P of the line segment joining the points A(x1, y1) and B(x2, y2) is
NCERT Solutions For Class 10 Maths Chapter 7 Coordinate Geometry Ex 7.1 Mind Map 8

Area of a Triangle

The area of ∆ABC formed by the vertices A(x1, y1), B(x2, y2) is given by
NCERT Solutions For Class 10 Maths Chapter 7 Coordinate Geometry Ex 7.1 Mind Map 9
Note:
(i) Area of triangle = \(\frac{1}{2}\) × base × Altitude
(ii) Area of polygon can be calculated by dividing it into the triangular region.
(iii) If three points are collinear then area of the triangle formed by them is zero.

NCERT Solutions for Class 10 Maths Chapter 7 Coordinate Geometry (Hindi Medium) Ex 7.1

NCERT Solutions for Class 10 Maths Chapter 7 Exercise 7.1 Coordinate Geometry
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