please answer it's urgent
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karishma910:
120°
how
????
angle abg= 120° by linear pair.....
then..... angle agb = 120° by angle sum property of triangle
hence... angle gde= 120° by corresponding angle
sorry angle abg= 30°
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ABC =150° CBG=180°
ABC+ABG=CBG
150+ABG=180
ABG=180-150=30
ABG IS A TRIANGLE
ABG+BAG+AGB=180
30+30+AGB=180
AGB=180-60=120
AGB=GDB [ because BC||DC]
120= x
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