plz give answer this question
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30 because we know that
angle (abc, acb,cba ) =180
so , 90+60+x =180
150+x =180
x =180-150
x =30
≧∇≦
angle (abc, acb,cba ) =180
so , 90+60+x =180
150+x =180
x =180-150
x =30
≧∇≦
pujastar2019:
tnx
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