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The given figure shows an isosceles tria...

The given figure shows an isosceles triangle ABC with AB = BC and angle B = `20^(@)`. Points D&E are on AB & BC respectively so that the measure of angle CAE is `40^(@)` degrees and the measure of angle ACD is `50^(@)` degrees. DE and AC meet at F. Find the measure of angle AFD.

A

5

B

20

C

10

D

40

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