Prove that if two lines intersect then the vertical opposite angles so formed are equal
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Step-by-step explanation:
take line AC
/_AOB +/_BOC=180(linear pair)_______1
take line BD
/_BOC +/_COD = 180 (linear pair)______2
from equation 1 and 2
/_AOB +/_BOC = /_BOC +/_COD
CANCEL BOC TO BOC
/_AOB = /_ COD
HENCE PROVED
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