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2x+10+2x-30=180. linear pairs
4x=200
x=50
angle BOC=2x-30=100-30=70
4x=200
x=50
angle BOC=2x-30=100-30=70
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2x+10+2x-30=180
4x=10 80+3,-10
4x=200
X=200/4=50
Therefore angle boc=2x-30=2*50-30
=100-30=70 degree ans.
4x=10 80+3,-10
4x=200
X=200/4=50
Therefore angle boc=2x-30=2*50-30
=100-30=70 degree ans.
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