Chapter 3 . Parallel and Perpendicular Lines. 3.1 Properties of Parallel Lines. Transversal – a line that intersects two coplanar lines at two distinct points. Transversal. Types of Angles. Exterior (The outside of the two lines). Interior (The inside of the two lines).

By3.3 - Angles Formed By Transversals. Objective: #5 HW #4. Defining Transversals. A transversal is a line that intersects two or more coplanar lines at different points. In the diagram below, t is the transversal. Special Angles.

ByLine & Angle Recognition. Adjacent. Vertical. O pposite angles made by two intersecting lines. Angles that share a side. Congruent. Complementary. Angles with the same measure. 2 angles whose sum 90°. Supplementary. Linear Pair. 2 angles whose sum is 180 °.

BySECTION 3-1 DEFINITIONS: PARALLEL LINES AND ANGLES. Parallel Lines. Definition – Coplanar lines that do not intersect. l. Symbol: || Notation: Line l || line m. A. B. C. D. m. Segments and Rays contained in parallel lines are also parallel. A. B. C. D. AB || CD. AB || CD.

ByGeometry. 3.1 Lines and Transversals. Parallel Lines // Lines. Coplanar lines that do not intersect j // k. k. j. Skew Lines. Noncoplanar lines that do not intersect line g is skew to line h g and h are skew lines. h. g. // and Skew Lines.

By3-1 Lines and Angles. Parallel and Skew. Parallel lines are coplanar lines that do not intersect. The symbol means “is parallel to”. Skew lines are noncoplanar ; they are not parallel and do not intersect.

By3-3. Proving Lines Parallel. Warm Up. Lesson Presentation. Lesson Quiz. Holt Geometry. Warm Up State the converse of each statement. 1. If a = b , then a + c = b + c . 2. If m A + m B = 90°, then A and B are complementary.

ByInformal Geometry. January 18, 2012. Section 6.2 – Properties of Parallelograms. Parallelogram Theorem #1 If a quadrilateral is a parallelogram, then its opposite sides are congruent. Section 6.2 – Properties of Parallelograms. FGHJ is a parallelogram. Find JH and JF.

ByGeometry Mr. Rasiej. Feb. 2011 Final Review. Points, Lines, Planes, Angles. Line, segment, ray Complementary, supplementary Collinear, coplanar Acute, right, obtuse Angle bisector, perpendicular bisector Vertical angles, skew lines Midpoint of a segment. Congruent Triangles.

ByP. A. R. A. L. L. E. L. P. L. A. N. E. S. I. L. N. E. S. A. N. D. PROPERTIES OF. PARALLEL LINES. Objectives:. 1. State and apply the postulates and theorems involving the properties of parallel lines; and.

By50:50. 15. $1 Million. 14. $500,000. Welcome to Who Wants to be a Millionaire. 13. $250,000. 12. $125,000. 11. $64,000. 10. $32,000. 9. $16,000. 8. $8,000. 7. $4,000. 6. $2,000. 5. $1,000. 4. $500. 3. $300. 2. $200. 1. $100. 15. $1 Million. 14. $500,000. 13.

By6.2: Properties of Parallelograms. Objectives: To use relationships among sides and among angles of parallelograms To use relationships involving diagonals of parallelograms or transversals. THEOREM:. Opposite sides of a parallelogram ( ) are congruent. Example: Given EFGH.

By6.2: Properties of Parallelograms. Objectives: To use relationships among sides and among angles of parallelograms To use relationships involving diagonals of parallelograms or transversals. Please note….

ByGeometry/Trig 2 Name: __________________________ Unit 3 Review Packet ANSWERS Date: ___________________________. Section I – Name the five ways to prove that parallel lines exist.

ByParallel Lines & Transversals. Definitions. Parallel lines – Two lines are parallel lines if they are coplanar and do not intersect. Perpendicular lines – two lines are perpendicular if they intersect at a right angle. Skew lines—Lines that do not intersect and are not coplanar.

ByGeometry/Trig 2 Name: __________________________ Unit 3 Review Packet Date: ___________________________. Section I – Name the five ways to prove that parallel lines exist. 1. ____________________________________________________________________

ByChapter 3 Section 3-1: Properties of Parallel Lines. Goal 2.02: Apply properties, definitions, and theorems of angles and lines to solve problems and write problems and write proofs. Turn in Cumulative Review Check Skills: p 115 (1-6). Essential Questions.

BySection 3-2 Proving Lines Parallel TPI 32C: use inductive and deductive reasoning to make conjectures, draw conclusions, and solve problems TPI 32E: write and defend indirect and direct proofs. Objectives: Use a transversal in proving lines parallel

ByDo Now. Name the type(s) of angles pairs in each diagram. 2. 2. 3. Properties of Parallel Lines and Transversals. Parallel Lines. Recall: Parallel lines are coplanar lines that DO NOT intersect. Think Pair Share.

ByProperties of Parallel Lines and Transversals. Bell Work. Find the missing angles in the diagram and give reasons for your calculations using vocabulary terms. *These images are at the bottom of yesterday ’ s note sheet. Assignment Check. Supplementary angle Complementary angle

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