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nathu033
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Asked: 2023-03-22T07:05:45+00:00 In:

In Fig. 5.10, if AC = BD, then prove that AB = CD.

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In Fig. 5.10, if AC = BD, then prove that AB = CD.

I need some help with my math homework. I am studying chapter 5 Exercise 5.1 of NCERT math class 9. The chapter is about introduction to Euclid’s geometry. I find it difficult to understand some of the concepts and proofs. Can you please provide a video solution and a pdf for this exercise.

NCERT Class 9 mathematics Chapter 5
Page No. 86
Exercise No. 5.1
Question No. 6

chapter 5class 9 mathsncert
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    1. Best Answer

      Given that: AC = BD
      ⇒ AC – BC = BD – BC [∵ If equals are subtracted from equals, the remainders are equal]
      ⇒ AB = CD

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    2. AC=BD
      AB+BC=BC+CD
      AB+BC-BC=CD
      AB=CD

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