Chapter 3 Parallel and Perpendicular Lines – In this chapter we address three Big IDEAS: Using properties of parallel and perpendicular lines Proving relationships using angle measures Making connections to lines in algebra 3 1 Identify Pairs of Lines and Angles – Section: Essential What angles pairs are formed by two lines and a transversal? Question Warm Up: Key Vocab: Two lines that do not intersect and are Parallel Lines coplanar Lines that do not intersect and are NOT Skew Lines coplanar Two planes that do not intersect Parallel Planes A line that intersects two or more Transversal line is a transversal t coplanar lines at different points Two angles that are formed by two lines Corresponding are and a transversal and occupy Angles corresponding angles corresponding positions Two angles that are formed by two lines Alternate are and a transversal and lie between the Interior Angles interior angles two lines and on opposite sides of the
Chapter 3 – Parallel and Perpendicular Lines In this chapter we address three Big IDEAS: Using properties of parallel and perpendicular lines Proving relationships using angle measures Making connections to lines in algebra Section: 3 – 1 Identify Pairs of Lines and Angles Essential Question What angles pairs are formed by two lines and a transversal? Warm Up: Key Vocab: Parallel Lines Two lines that do not intersect and are coplanar Skew Lines Lines that do not intersect and are NOT coplanar Parallel Planes Two planes that do not intersect Transversal A line that intersects two or more coplanar lines at different points line t is a transversal Corresponding Angles Two angles that are formed by two lines and a transversal and occupy corresponding positions are corresponding angles Alternate Interior Angles Two angles that are formed by two lines and a transversal and lie between the two lines and on opposite sides of the are interior angles
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