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21-10-2021
Mathematics

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geometric proofs- how can i prove that angle DAE=DBE?

geometric proofs how can i prove that angle DAEDBE class=

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coleriney38 coleriney38

21-10-2021

1. AC ~= BC, angle(ACD) ~= angle(BCD)
Given

2. CD ~= CD
Reflexive property

3. triangle(ACD) ~= traingle(BCD)
SAS

4. AD ~= BD
CPCFC (congruent parts of congruent figures are congruent)

5. angle(DAE) ~= angle(DBE)
Properties of isosceles triangle

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