find x in the following?
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( reason for all: exterior angle of a triangle is equal to the sum of opposite interior angles)
i)
x=60°+70°
x=130°
ii)
110°=x+60°
x=110°-60°
x=50°
iii)
120°=2x+x
3x=120°
x=40°
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It will help you please tap thanks
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