मराठी

Use the information in the given figure to prove: i. AB = FE ii. BD = CF

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प्रश्न

Use the information in the given figure to prove:

  1. AB = FE
  2. BD = CF 

बेरीज
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उत्तर

ln ΔABC and ΔEFD,

AB II EF

⇒ ∠ABC = ∠EFD         ...(alternate angles)

AC = ED                              ...(given)

∠ACB = ∠EDF                    ...(given)

∴ ΔABC ≅ ΔEFD               ...(AAS congruence criterion)

⇒ AB = FE                           ...(cpct)

and BC = DF                        ...(cpct)

⇒ BD + DC = CF + DC       ...(B-D-C-F)

⇒ BD = CF

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Criteria for Congruence of Triangles
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 9: Triangles [Congruency in Triangles] - Exercise 9 (A) [पृष्ठ १२३]

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सेलिना Concise Mathematics [English] Class 9 ICSE
पाठ 9 Triangles [Congruency in Triangles]
Exercise 9 (A) | Q 15 | पृष्ठ १२३

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