• anonymous
If lines are perpendicular, what do you know about the angles at which they intersect? A. They are parallel angles. B. They are adjacent angles. C. They are vertical angles. D. They are right angles.
  • Stacey Warren - Expert
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  • jamiebookeater
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  • anonymous
|dw:1358736995330:dw| Meaning of perpendicular- at an angle of 90° to a given line, plane, or surface:
  • kirbykirby
Exactly. So a right angle is just another name for a 90 degree angle. So it will be D.

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