Question

plz answers the following plz ​

Answer 1

Step-by-step explanation:

So there are two lines given which intersect each other,AB and CD

angleAOC=50°

therefore

AngleCOB=180°-50°(linear pair)

AngleCOB=130°

AngleBOD=180°-130°(linear pair)

AngleBOD=50°

AngleDOA=180°-50°(linear pair)

AngleDOA=130°

linear pair = the angle beside the other .suppose you are given an angle,and you have to find the angle beside it.At that time you have to do the linear pair process

hope it helps....

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