Chapters
Chapter 2: Exponents of Real Numbers
Chapter 3: Rationalisation
Chapter 4: Algebraic Identities
Chapter 5: Factorisation of Algebraic Expressions
Chapter 6: Factorisation of Polynomials
Chapter 7: Linear Equations in Two Variables
Chapter 8: Co-ordinate Geometry
Chapter 9: Introduction to Euclid’s Geometry
Chapter 10: Lines and Angles
Chapter 11: Triangle and its Angles
Chapter 12: Congruent Triangles
Chapter 13: Quadrilaterals
Chapter 14: Areas of Parallelograms and Triangles
Chapter 15: Circles
Chapter 16: Constructions
Chapter 17: Heron’s Formula
Chapter 18: Surface Areas and Volume of a Cuboid and Cube
Chapter 19: Surface Areas and Volume of a Circular Cylinder
Chapter 20: Surface Areas and Volume of A Right Circular Cone
Chapter 21: Surface Areas and Volume of a Sphere
Chapter 22: Tabular Representation of Statistical Data
Chapter 23: Graphical Representation of Statistical Data
Chapter 24: Measures of Central Tendency
Chapter 25: Probability
Chapter 8: Co-ordinate Geometry
RD Sharma solutions for Mathematics for Class 9 Chapter 8 Co-ordinate GeometryExercise 8.1 [Page 6]
Plot the following point on the graph paper:
(2,5)
Plot the following point on the graph paper:
(4, −3)
Plot the following point on the graph paper:
(−5, −7)
Plot the following point on the graph paper:
(7, −4)
Plot the following point on the graph paper:
(−3, 2)
Plot the following point on the graph paper:
(7, 0)
Plot the following point on the graph paper:
(−4, 0)
Plot the following point on the graph paper:
(0, 7)
Plot the following point on the graph paper:
(0, −4)
Plot the following point on the graph paper:
(0, 0)
Write the coordinates of each of the following points marked in the graph paper:
RD Sharma solutions for Mathematics for Class 9 Chapter 8 Co-ordinate Geometry [Page 7]
Mark the correct alternative in each of the following:
The point of intersect of the coordinate axes is
ordinate
abscissa
quadrant
origin
The abscissa and ordinate of the origin are
(0, 0)
(1, 0)
(0, 1)
(1 , 1)
The measure of the angle between the coordinate axes is
0°
90°
180°
360°
A point whose abscissa and ordinate are 2 and −5 respectively, lies in
First quadrant
Second quadrant
Third quadrant
Fourth quadrant
Points (−4, 0) and (7, 0) lie
on x-axis
y-axis
in first quadrant
In second quadrant
The ordinate of any point on x-axis is
0
1
-1
any number
The abscissa of any point on y-axis is
0
1
-1
any number
The abscissa of a point is positive in the
First and Second quadrant
Second and Third quadrant
Third and Fourth quadrant
Fourth and First quadrant
A point whose abscissa is −3 and ordinate 2 lies in
First quadrant
Second quadrant
Third quadrant
Fourth quadrant
Two points having same abscissae but different ordinate lie on
x-axis
y-axis
a line parallel to y-axis
a line parallel to x-axis
The perpendicular distance of the point P (4, 3) from x-axis is
4
3
5
none of these
The perpendicular distance of the P (4,3) from y-axis is
4
3
5
none of these
The distance of the point P (4, 3) from the origin is
4
3
5
7
The area of the triangle formed by the points A(2,0) B(6,0) and C(4,6) is
24 sq. units
12 sq. units
10 sq. units
none of these
The area of the triangle formed by the points P (0, 1), Q (0, 5) and R (3, 4) is
16 sq. units
8 sq. units
4 sq. units
6 sq. units
Chapter 8: Co-ordinate Geometry
RD Sharma solutions for Mathematics for Class 9 chapter 8 - Co-ordinate Geometry
RD Sharma solutions for Mathematics for Class 9 chapter 8 (Co-ordinate Geometry) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Mathematics for Class 9 solutions in a manner that help students grasp basic concepts better and faster.
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Concepts covered in Mathematics for Class 9 chapter 8 Co-ordinate Geometry are Cartesian System, Plotting a Point in the Plane If Its Coordinates Are Given., Coordinate Geometry.
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