Question

On triangle ABC

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

Answer 1

EC=4

Explanation:

P=Q

BF=FE=4

∠AEF = 2 ∠ECF

∠AEF = ∠EFC + ∠ECF =2x

∴ ∠EFC = ∠ECF =x

∴FE = EC=4