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Continue to ChatExample 7 - Chapter 7 Class 9 Triangles https://teachoo.com//1201/441/Example-7---Show-that-the-line-PQ-is-the-perpendicular/category/Examples/
Example 7 - Chapter 7 Class 9 Triangles https://teachoo.com//1201/441/Example-7---Show-that-the-line-PQ-is-the-perpendicular/category/Examples/