Parallel Lines

DESCRIPTION

This guide explores the fundamental concepts of parallel and intersecting lines in geometry. Parallel lines are defined as lines that never intersect or cross each other. Perpendicular lines, in contrast, intersect at right angles, forming a perfect square corner. We will also cover intersecting lines that cross at various angles, including right angles, acute angles (less than 90 degrees), and obtuse angles (greater than 90 degrees). This overview provides a clear understanding of these essential geometric principles.

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Feb 12, 2026

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Parallel Lines

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Presentation Transcript

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