kousarrulbreaker kousarrulbreaker

15-12-2021
Mathematics

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please help in geometry for 50 points

please help in geometry for 50 points class=

Respuesta :

iluvyoujenna iluvyoujenna

15-12-2021

Answer:

total angle inside quadrilateral = 360°

x+2x+90+30 = 360

3x = 360-120

3x = 240

x = 80°

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