- Aparallel
- Bmeeting on the right
- Cmeeting on the left
- Dthe same line
Step-by-Step Solution
90 + 90 = 180° = two right angles, so by the fifth postulate the lines do not meet on either side; they are parallel.
Answer: A) parallel
If two interior angles on the same side of a transversal are both 90°, the two lines are:
Class 9The Fifth PostulateGeometry — Foundations
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