Lines in GeometryOnline version Test your knowledge of geometric concepts by correctly ordering different types of lines based on their relationships. by lyssa daud 1 Parallel lines are that never meet, They are always the same distance apart and two or more straight lines have the same slope. 2 If two lines are parallel Line 1 : y = m₁x + c ∴m₁ = m₂ they have the same slope. Line 2 : y= m₂ x + c 3 Perpendicular lines are 90-degree angle (a right angle). cross each other at a two straight lines that 4 If two lines are perpendicular Line 1 : y = m₁x + c Line 2 : y= m₂ x + c m₁⋅m₂ = -1
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