in fig find
Angle 1
Angle 2
Angle 3
Angle 4
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Answer:
angle 2= 3*angle 1
angle 3=2*angle 1
let angle one be x
angle 2 =3*x
=3x
angle 3=2*x
=2x
as we know sum of three angles is 180
x+2x+3x=180
6x=180
x=30°=angle 1
angle 2=3*30=90°
angle 3=2*30=60°
angle 4 =angle 1+angle 2 (exterior angle property )
angle 4=30+90
=120°
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