In the triangle ABC, side BC is produced to D, ∠ACD = 100° .If BC = AC, then find ∠ABC.

In the triangle ABC, side BC is produced to D, ∠ACD = 100° .If BC =

1.	In the triangle ABC, side BC is produced to D, ∠ACD = 100° .If BC = AC, then find ∠ABC.
A.	40°
B.	100°
C.	80°
D.	50°
Answer» E.

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In the triangle ABC, side BC is produced to D, ∠ACD = 100° .If BC = AC, then find ∠ABC.

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