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17-11-2019
Mathematics

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On triangle ABC
A F is bisector, A,B,F,E dots are on same circle.
Angle AEF= 2* angle C
BF=4
EC=?

On triangle ABC A F is bisector ABFE dots are on same circle Angle AEF 2 angle C BF4 EC class=

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kenlingdad kenlingdad

17-11-2019

Answer:

EC=4

Step-by-step explanation:

P=Q

BF=FE=4

∠AEF = 2 ∠ECF

∠AEF = ∠EFC + ∠ECF =2x

∴ ∠EFC = ∠ECF =x

∴FE = EC=4

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