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Lines and Angles
Question | Answer |
---|---|
Oblique | Anything other than vertical, horizontal or parallel. |
Parallel | Two lines that never cross and remain equal distances apart no matter how far they extend. |
Perpendicular | They are perpendicular if they are not at right angles to each other. |
Acute Angle | They are less than 90 degrees and smaller than a right angle. |
Right Angle | Exactly 90 degrees |
Obtuse Angle | Greater than 90 degrees but less than 180 degrees and is bigger than a right angle. |
Straight Angle | Exactly 180 degrees. |
Reflex Angle | Greater than 180 degrees but less than 360 degrees and is bigger than a straight angle. |
Revolution Angle | Exactly 360 degrees |