The general observations remain the same, but the specific changes swap. The x-coordinates would stay the same, while the y-coordinates would change their signs. The triangle would flip vertically instead of horizontally.
Would these observations be the same if ΔADM is reflected in the x-axis (instead of the y-axis)?
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The core principles of reflection remain consistent, but the results would be mirrored vertically. If reflected across the x-axis, all x-coordinates of the triangle’s vertices would remain unchanged, while all y-coordinates would switch to their opposites (positive to negative). The size and shape would still be preserved, but the triangle would appear upside down compared to its original position, rather than flipped left-to-right as it was in the y-axis reflection.
For Detailed Solutions:
Visit NCERT Solutions for Class 9 Ganita Manjari Chapter 1 Orienting Yourself: The Use of Coordinates Question Answer:
https://www.tiwariacademy.com/ncert-solutions/class-9/maths/ganita-manjari-chapter-1/