Consider Δ ABD such that angleADB = 20^(...

Consider `Δ ABD` such that `angleADB = 20^(@)` and C is a point on BD such that AB = AC and CD = CA. Then the measure of `angleABC is` :

A

`40^(@)`

B

`45^(@)`

C

`60^(@)`

D

`30^(@)`

Verified by Experts

The correct Answer is:

A

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