Question

Please give correct answer, no wrong answers please!​

Answer 1

Answer:

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Step-by-step explanation:

23. when the sum of that two angles is 180 degrees

24. when any two lines intersect, they form two pairs of angles without any common arm. These angles are called vertically opposite angles. Let line l and m, which intersect at O, making angles ∠1, ∠2, ∠3, and ∠4. From the above explanation, we see that two pairs of vertically opposite angles are equal.