From the given figure, write the following
(i) Coordinates of B, C and E
(ii) The point identified by the coordinates (0, -2)
(iii) The abscissa of the point H
(iv) The ordinate of the point D
Solution:
Given, the figure represents the points A, B, C, D, E, F, O and H plotted on the graph.
(i) we have to find the coordinates of B, C and E
From the figure,
The coordinates of B = (-5, 2)
The coordinates of C = (-2, -3)
The coordinates of E = (3, -1)
(ii) We have to find the point identified by the coordinates (0, - 2)
From the figure,
The point F lies on the negative y-axis.
So, the point F is identified by the coordinates (0, -2)
(iii) we have to find the abscissa of the point H
The horizontal coordinate of a point in a plane cartesian coordinate system obtained by measuring parallel to the x-axis is called the abscissa of the point.
From the given figure,
The abscissa of the point H is 1.
(iv) We have to find the ordinate of the point D
The vertical coordinate of a point in a plane cartesian coordinate system obtained by measuring parallel to the y-axis is called the ordinate of the point.
The ordinate of point D is 0.
✦ Try This: In following figure, the point identified by the coordinates (-5, 3) is
☛ Also Check: NCERT Solutions for Class 9 Maths Chapter 3
NCERT Exemplar Class 9 Maths Exercise 3.3 Sample Problem 2
From the given figure, write the following (i) Coordinates of B, C and E, (ii) The point identified by the coordinates (0, -2), (iii) The abscissa of the point H, (iv) The ordinate of the point D
Summary:
From the given figure, (i) Coordinates of B, C and E are (-5, 2), (-2, -3) and (3, -1), (ii) The point identified by the coordinates (0, - 2) is F, (iii) The abscissa of the point H is 1, (iv) The ordinate of the point D is 0
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