Question

In ΔABC, ABC-80°
D is a point on AC
ACB= 20° and AB=CD
Then find ADB.

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Answer 1

Answer:

80

Step-by-step explanation:

because sum of all sides 180

let be adb X

X+80+20=180

180-100=80

Answer 2

Answer:

80°

Refer to the attachment :)