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NCERT Exemplar solutions for Mathematics [English] Class 10 chapter 7 - Coordinate Geometry [Latest edition]

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NCERT Exemplar solutions for Mathematics [English] Class 10 chapter 7 - Coordinate Geometry - Shaalaa.com
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Solutions for Chapter 7: Coordinate Geometry

Below listed, you can find solutions for Chapter 7 of CBSE, Karnataka Board NCERT Exemplar for Mathematics [English] Class 10.


Exercise 7.1Exercise 7.2Exercise 7.3Exercise 7.4
Exercise 7.1 [Pages 78 - 80]

NCERT Exemplar solutions for Mathematics [English] Class 10 7 Coordinate Geometry Exercise 7.1 [Pages 78 - 80]

Choose the correct alternative:

1Page 78

The distance of the point P(2, 3) from the x-axis is ______.

  • 2

  • 3

  • 1

  • 5

2Page 78

The distance between the points A(0, 6) and B(0, –2) is ______.

  • 6

  • 8

  • 4

  • 2

3Page 78

The distance of the point P(–6, 8) from the origin is ______.

  • 8

  • `2sqrt(7)`

  • 10

  • 6

4Page 78

The distance between the points (0, 5) and (–5, 0) is ______.

  • 5

  • `5sqrt2`

  • `2sqrt(5)`

  • 10

5Page 78

AOBC is a rectangle whose three vertices are A(0, 3), O(0, 0) and B(5, 0). The length of its diagonal is ______.

  • 5

  • 3

  • `sqrt(34)`

  • 4

6Page 78

The perimeter of a triangle with vertices (0, 4), (0, 0) and (3, 0) is ______.

  • 5 units

  • 12 units

  • 10 units

  • 11 units

  • `7 + sqrt(5)` units

7Page 78

The area of a triangle with vertices A(3, 0), B(7, 0) and C(8, 4) is ______.

  • 14

  • 28

  • 8

  • 6

8Page 78

The points (– 4, 0), (4, 0), (0, 3) are the vertices of a ______.

  • right triangle

  • isosceles triangle

  • equilateral triangle

  • scalene triangle

9Page 79

The point which divides the line segment joining the points (7, –6) and (3, 4) in ratio 1 : 2 internally lies in the ______.

  • I quadrant

  • II quadrant

  • III quadrant

  • IV quadrant

10Page 79

The point which lies on the perpendicular bisector of the line segment joining the points A(–2, –5) and B(2, 5) is ______.

  • (0, 0)

  • (0, 2)

  • (2, 0)

  • (–2, 0)

11Page 79

The fourth vertex D of a parallelogram ABCD, whose three vertices are A(–2, 3), B(6, 7) and C(8, 3), is ______.

  • (0, 1)

  • (0, –1)

  • (–1, 0)

  • (1, 0)

12Page 79

If the point P(2, 1) lies on the line segment joining points A(4, 2) and B(8, 4), then ______.

  • AP = \[\frac{1}{3}\text{AB}\]

  • AP = PB

  • PB = \[\frac{1}{3}\text{AB}\]

  • AP = \[\frac{1}{2}\text{AB}\]
13Page 79

If `P(a/3, 4)` is the mid-point of the line segment joining the points Q(– 6, 5) and R(– 2, 3), then the value of a is ______.

  • – 4

  • – 12

  • - 12

  • 12

  • – 6

14Page 79

The perpendicular bisector of the line segment joining the points A(1, 5) and B(4, 6) cuts the y-axis at ______.

  • (0, 13)

  • (0, –13)

  • (0, 12)

  • (13, 0)

15Page 79

The coordinates of the point which is equidistant from the three vertices of the ΔAOB as shown in the figure is ______.

  • (x, y)

  • (y, x)

  • `(x/2, y/2)`

  • `(y/2, x/2)`

16Page 79

A circle drawn with origin as the centre passes through `(13/2, 0)`. The point which does not lie in the interior of the circle is ______.

  • `((-3)/4, 1)`

  • `(2, 7/3)`

  • `(5, (-1)/2)`

  • `(-6, 5/2)`

17Page 80

A line intersects the y-axis and x-axis at the points P and Q, respectively. If (2, –5) is the mid-point of PQ, then the coordinates of P and Q are, respectively ______.

  • (0, – 5) and (2, 0)

  • (0, 10) and (– 4, 0)

  • (0, 4) and (– 10, 0)

  • (0, – 10) and (4, 0)

18Page 80

The area of a triangle with vertices (a, b + c), (b, c + a) and (c, a + b) is ______.

  • (a + b + c)2

  • 0

  • a + b + c

  • abc

19Page 80

If the distance between the points (4, P) and (1, 0) is 5, then the value of p is ______.

  • 4 only

  • ± 4

  • – 4 only

  • 0

20Page 80

If the points A(1, 2), O(0, 0) and C(a, b) are collinear, then ______.

  • a = b

  • a = 2b

  • 2a = b

  • a = – b

Exercise 7.2 [Pages 80 - 81]

NCERT Exemplar solutions for Mathematics [English] Class 10 7 Coordinate Geometry Exercise 7.2 [Pages 80 - 81]

State whether the following statement is True or False:

1Page 80

∆ABC with vertices A(–2, 0), B(2, 0) and C(0, 2) is similar to ∆DEF with vertices D(–4, 0), E(4, 0) and F(0, 4).

  • True

  • False

2Page 81

Point P(– 4, 2) lies on the line segment joining the points A(– 4, 6) and B(– 4, – 6).

  • True

  • False

3Page 81

The points (0, 5), (0, –9) and (3, 6) are collinear.

  • True

  • False

4Page 81

Point P(0, 2) is the point of intersection of y-axis and perpendicular bisector of line segment joining the points A(–1, 1) and B(3, 3).

  • True

  • False

5Page 81

Points A(3, 1), B(12, –2) and C(0, 2) cannot be the vertices of a triangle.

  • True

  • False

6Page 81

Points A(4, 3), B(6, 4), C(5, –6) and D(–3, 5) are the vertices of a parallelogram.

  • True

  • False

7Page 81

A circle has its centre at the origin and a point P(5, 0) lies on it. The point Q(6, 8) lies outside the circle.

  • True

  • False

8Page 81

The point A(2, 7) lies on the perpendicular bisector of line segment joining the points P(6, 5) and Q(0, – 4).

  • True

  • False

9Page 81

Point P(5, –3) is one of the two points of trisection of the line segment joining the points A(7, –2) and B(1, –5).

  • True

  • False

10Page 81

Points A(–6, 10), B(–4, 6) and C(3, –8) are collinear such that AB = `2/9` AC.

  • True

  • False

11Page 81

The point P(–2, 4) lies on a circle of radius 6 and centre C(3, 5).

  • True

  • False

12Page 81

The points A(–1, –2), B(4, 3), C(2, 5) and D(–3, 0) in that order form a rectangle.

  • True

  • False

Exercise 7.3 [Pages 83 - 84]

NCERT Exemplar solutions for Mathematics [English] Class 10 7 Coordinate Geometry Exercise 7.3 [Pages 83 - 84]

1Page 83

Name the type of triangle formed by the points A(–5, 6), B(–4, –2) and C(7, 5).

2Page 83

Find the points on the x-axis which are at a distance of `2sqrt(5)` from the point (7, – 4). How many such points are there?

3Page 83

What type of a quadrilateral do the points A(2, –2), B(7, 3), C(11, –1) and D(6, –6) taken in that order, form?

4Page 83

Find the value of a, if the distance between the points A(–3, –14) and B(a, –5) is 9 units.

5Page 83

Find a point which is equidistant from the points A(–5, 4) and B(–1, 6)? How many such points are there?

6Page 84

Find the coordinates of the point Q on the x-axis which lies on the perpendicular bisector of the line segment joining the points A(–5, –2) and B(4, –2). Name the type of triangle formed by the points Q, A and B.

7Page 84

Find the value of m if the points (5, 1), (–2, –3) and (8, 2m) are collinear.

8Page 84

If the point A(2, – 4) is equidistant from P(3, 8) and Q(–10, y), find the values of y. Also find distance PQ.

9Page 84

Find the area of the triangle whose vertices are (–8, 4), (–6, 6) and (–3, 9).

10Page 84

In what ratio does the x-axis divide the line segment joining the points (– 4, – 6) and (–1, 7)? Find the coordinates of the point of division.

11Page 84

Find the ratio in which the point `P(3/4, 5/12)` divides the line segment joining the points `A(1/2, 3/2)` and B(2, –5). 

12Page 84

If P(9a – 2, – b) divides line segment joining A(3a + 1, –3) and B(8a, 5) in the ratio 3 : 1, find the values of a and b.

13Page 84

If (a, b) is the mid-point of the line segment joining the points A(10, –6) and B(k, 4) and a – 2b = 18, find the value of k and the distance AB.

14Page 84

The centre of a circle is (2a, a – 7). Find the values of a if the circle passes through the point (11, – 9) and has diameter `10sqrt(2)` units.

15Page 84

The line segment joining the points A(3, 2) and B(5, 1) is divided at the point P in the ratio 1 : 2 and it lies on the line 3x – 18y + k = 0. Find the value of k.

16Page 84

If `D((-1)/2, 5/2), E(7, 3)` and `F(7/2, 7/2)` are the midpoints of sides of ∆ABC, find the area of the ∆ABC.

17Page 84

The points A(2, 9), B(a, 5) and C(5, 5) are the vertices of a triangle ABC right angled at B. Find the values of a and hence the area of ∆ABC.

18Page 84

Find the coordinates of the point R on the line segment joining the points P(–1, 3) and Q(2, 5) such that PR = `3/5` PQ.

19Page 84

Find the values of k if the points A(k + 1, 2k), B(3k, 2k + 3) and C(5k – 1, 5k) are collinear.

20Page 84

Find the ratio in which the line 2x + 3y – 5 = 0 divides the line segment joining the points (8, –9) and (2, 1). Also find the coordinates of the point of division.

Exercise 7.4 [Pages 85 - 86]

NCERT Exemplar solutions for Mathematics [English] Class 10 7 Coordinate Geometry Exercise 7.4 [Pages 85 - 86]

1Page 85

If (– 4, 3) and (4, 3) are two vertices of an equilateral triangle, find the coordinates of the third vertex, given that the origin lies in the interior of the triangle.

2Page 85

A(6, 1), B(8, 2) and C(9, 4) are three vertices of a parallelogram ABCD. If E is the midpoint of DC, find the area of ∆ADE.

3.(i)Page 86

The points A(x1, y1), B(x2, y2) and C(x3, y3) are the vertices of ∆ABC. The median from A meets BC at D. Find the coordinates of the point D.

3.(ii)Page 86

The points A(x1, y1), B(x2, y2) and C(x3, y3) are the vertices of ∆ABC. Find the coordinates of the point P on AD such that AP : PD = 2 : 1

3.(iii)Page 86

The points A(x1, y1), B(x2, y2) and C(x3, y3) are the vertices of ∆ABC.  Find the coordinates of points Q and R on medians BE and CF, respectively such that BQ : QE = 2 : 1 and CR : RF = 2 : 1

3.(iv)Page 86

The points A(x1, y1), B(x2, y2) and C(x3, y3) are the vertices of ∆ABC. What are the coordinates of the centroid of the triangle ABC?

4.Page 86

If the points A(1, –2), B(2, 3) C(a, 2) and D(– 4, –3) form a parallelogram, find the value of a and height of the parallelogram taking AB as base.

5Page 86

Students of a school are standing in rows and columns in their playground for a drill practice. A, B, C and D are the positions of four students as shown in figure. Is it possible to place Jaspal in the drill in such a way that he is equidistant from each of the four students A, B, C and D? If so, what should be his position?

6Page 86

Ayush starts walking from his house to office. Instead of going to the office directly, he goes to a bank first, from there to his daughter’s school and then reaches the office. What is the extra distance travelled by Ayush in reaching his office? (Assume that all distances covered are in straight lines). If the house is situated at (2, 4), bank at (5, 8), school at (13, 14) and office at (13, 26) and coordinates are in km.

Solutions for 7: Coordinate Geometry

Exercise 7.1Exercise 7.2Exercise 7.3Exercise 7.4
NCERT Exemplar solutions for Mathematics [English] Class 10 chapter 7 - Coordinate Geometry - Shaalaa.com

NCERT Exemplar solutions for Mathematics [English] Class 10 chapter 7 - Coordinate Geometry

Shaalaa.com has the CBSE, Karnataka Board Mathematics Mathematics [English] Class 10 CBSE, Karnataka Board solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT Exemplar solutions for Mathematics Mathematics [English] Class 10 CBSE, Karnataka Board 7 (Coordinate Geometry) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.

Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. NCERT Exemplar textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.

Concepts covered in Mathematics [English] Class 10 chapter 7 Coordinate Geometry are Section Formula in Coordinate Geometry, Distance Formula, Co-ordinate Geometry, Mid-Point Formula.

Using NCERT Exemplar Mathematics [English] Class 10 solutions Coordinate Geometry exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in NCERT Exemplar Solutions are essential questions that can be asked in the final exam. Maximum CBSE, Karnataka Board Mathematics [English] Class 10 students prefer NCERT Exemplar Textbook Solutions to score more in exams.

Get the free view of Chapter 7, Coordinate Geometry Mathematics [English] Class 10 additional questions for Mathematics Mathematics [English] Class 10 CBSE, Karnataka Board, and you can use Shaalaa.com to keep it handy for your exam preparation.

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