Prove Prove sum of adjacent angle is equal to 180
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let assume first angle=x
second angle =2x
Then sum of two angles=180
x+2x=180
3x=180
x=180/3
x=60
therefore
first angle=x=60
second angle x=2×60
x=120
second angle =2x
Then sum of two angles=180
x+2x=180
3x=180
x=180/3
x=60
therefore
first angle=x=60
second angle x=2×60
x=120
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