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Mark Points a (4, 5) and B (− 5, 4) on a Graph Paper. Find A’, the Image of a in X-axis and B’, the Image of B in X-axis. Mark A’ and B’ Also on the Same Graph Paper. Join Ab and A’ B’ and Find If Ab - Mathematics

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Question

Mark points A (4, 5) and B (− 5, 4) on a graph paper. Find A’, the image of A in x-axis and B’, the image of B in x-axis.
Mark A’ and B’ also on the same graph paper. Join AB and A’ B’ and find if AB = A’ B’?

Graph

Solution

The given points:
A (4, 5) and B (− 5, 4) have been marked on the graph.

The image of A in x-axis A (4, – 5) and image of B in x-axis is B’ (− 5, − 4) which have been also plotted on the same graph.
AB and A’ B’ are joined. We see that AB = A’ B’.

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Chapter 17: Symmetry (Including Reflection and Rotation) - Exercise 17 (B)

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Selina Concise Mathematics [English] Class 7 ICSE
Chapter 17 Symmetry (Including Reflection and Rotation)
Exercise 17 (B) | Q 10
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