Question

if two lines intersect the vertically opposite angles so formed are congruent prove it
THEOREMS

Answer 1

Answer:

⇒∠AOC=180∘−180∘+∠BOD. ⇒∠AOC=∠BOD. From the figure, we can see that the angles ∠AOC and ∠BOD are vertically opposite angles. So, we have proved that if two lines intersect each other, then the vertically opposite angles are equal.

Step-by-step explanation:

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Answer 2

Answer:

your answer is in the attachment