'Interior angles converse' presentation slideshows

Define Parallel Lines

Define Parallel Lines . Coplanar lines that do not intersect. Define Skew Lines. Lines that do not intersect and are not coplanar. What angles are marked?. Corresponding Angles. What angles are marked?. Alternate Interior Angles. What angles are marked?. Consecutive Interior Angles.

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G E O M E T R Y Chapter 3: Angle Pairs, Lines and Planes

G E O M E T R Y Chapter 3: Angle Pairs, Lines and Planes. 3.1. Parallel and Perpendicular Lines. Parallel lines are coplanar lines that do not intersect. Intersecting lines are coplanar and have exactly one point in common

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definition of a parallelogram opposite sides of parallelogram are congruent

definition of a parallelogram opposite sides of parallelogram are congruent opposite angles of a parallelogram are congruent diagonals of a parallelogram bisect each other alternate interior angles theorem consecutive interior angles theorem alternate interior angles theorem converse

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Bell Ringer

Bell Ringer. Special Quadrilaterals . Example 1. Use Properties of Quadrilaterals. Determine whether the quadrilateral is a trapezoid, parallelogram, rectangle, rhombus, or square. SOLUTION.

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3.4 Proving Lines are Parallel

3.4 Proving Lines are Parallel. Mr. Robinson Fall 2011. Essential Question:. How can you prove that 2 lines are parallel?. Postulate 16: Corresponding Angles Converse. If two lines are cut by a transversal so that corresponding angles are congruent, then the lines are parallel.

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