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Parallel Lines. Lines that NEVER intersect or cross. Perpendicular Lines. Intersecting lines that meet or cross at right angles. Intersecting Lines. Lines that intersect or cross. Right Angle. Angle that makes a perfect square corner and has the shape of an L. Acute Angle.
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Parallel Lines • Lines that NEVER intersect or cross
Perpendicular Lines • Intersecting lines that meet or cross at right angles
Intersecting Lines • Lines that intersect or cross
Right Angle • Angle that makes a perfect square corner and has the shape of an L
Acute Angle • Less than a right angle; looks very closed or narrow
Obtuse Angle • Greater than a right angle; looks very open or wide