Math, asked by ChAish, 1 year ago

Please Prove question no. 21 with all the steps.

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Answered by Anonymous
5

Answer:

Proof below ↓↓↓


Step-by-step explanation:


In Δ ABD and Δ ADE ,


AD = AE [ Given ]


So ∠ADE = ∠AED [ base ∠s of isosceles Δ ]

⇒ 180° - ∠DE = 180° - ∠AED

⇒ ∠ADB = ∠AEC [ From figure ]


BD = EC [ Given ]


Hence Δ ABD ≅ Δ ACE [ S.A.S ]

⇒ AB = AC [ c.p.c.t ]


Hence Proved !

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Answered by Anonymous
1
In Δ ABD and Δ ADE ,


AD = AE [ Given ]


So ∠ADE = ∠AED [ base ∠s of isosceles Δ ]

⇒ 180° - ∠DE = 180° - ∠AED

⇒ ∠ADB = ∠AEC [ From figure ]


BD = EC [ Given ]


Hence Δ ABD ≅ Δ ACE [ S.A.S ]

⇒ AB = AC [ c.p.c.t ]


Hence Proved !



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