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Answer:
ABO + COD = AOC
Step-by-step explanation:
because it is x + y = z
Answered by
1
Step-by-step explanation:
AB||CD and AD is transversal
angle ABO = angle X ....[alternate angle test]
In triangle ABO,
angle ABO + angle Y= angle Z. ....[remote interior angle theorem]
but angle ABO = angle X
angle X + angle Y= angle Z
therefore,
Z= X+Y ....is proved
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