Mathematics · Geometry
If two parallel lines are intersected by a transversal, then which of the options below is necessarily true?
- 1The sum of the measures of a pair of alternate interior angles is 180°
- 2The sum of the measures of a pair of corresponding angles is 180°
- 3The sum of the measures of a pair of interior angles on the same side of the transversal is 180°✓
- 4The sum of the measures of a pair of vertically opposite angles is 180°
Correct answer
The sum of the measures of a pair of interior angles on the same side of the transversal is 180°
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