Question

please reply very urgent​

Answer 1

Answer:

angle A = 30 this is the answer to this question

Answer 2

Answer:

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Step-by-step explanation:

∠A = ∠C ,  

∠B = 120 °  

BC = 4 cm  

find AB    

clearly ,  

∠A + ∠B + ∠C = 180 °  

2 ∠A + 120° = 180°  

2∠A = 60°  

∠A = 30°  

∵ ∠A = ∠C  

∴ ∠C = 30°  

now , AB = BC  

∴AB = 4 cm