plz answer this urgently
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purvirajput:
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given 2x=y
x+y=180°(angle sum property of an triangle)
sub 2x=y
2x+x=180°
3x=180°
x=60°
y=2x
y=2×60°=120°
x+y=180°(angle sum property of an triangle)
sub 2x=y
2x+x=180°
3x=180°
x=60°
y=2x
y=2×60°=120°
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