Course 3 Parallel Lines In the figure, line n || line m. Find the measure of the angle . 7 All obtuse angles in the figure are congruent m7 = 144°

Slides:



Advertisements
Similar presentations
Geometry Mini-Lesson 1 & 2 1 & 6 3 & 5 1 & 8
Advertisements

Lesson 9.2 Angle Relationships and Parallel Lines
Geometry Vocabulary Lesson #3. #12 Angle A figure formed by 2 rays with the same endpoint.
PARALLEL LINES and TRANSVERSALS.
docid= &ei=h - ziSuD0MaS6lQfkjKSqDQ&q=parallel +lines+transversals&hl=en# Parallel Lines and a Transversal.
3.2 Properties of Parallel Lines Objectives: TSW … Use the properties of parallel lines cut by a transversal to determine angles measures. Use algebra.
Types of Angles.
PROVING LINES PARALLEL. CONVERSE OF  … Corresponding Angles Postulate: If the pairs of corresponding angles are congruent, then the lines are parallel.
Parallel Line Angles Or Supplementary All angles are…
Lesson 17 Angles Formed By Parallel Lines and a Transversal.
Rhombus 1.Both pairs of opposite sides are parallel 2. Both pairs of opposite sides are congruent 3. Both pairs of opposite angles are congruent 4. Consecutive.
3.3 Proving Lines Parallel Converse of the Corresponding Angles Postulate –If two lines and a transversal form corresponding angles that are congruent,
Prove Lines are Parallel
Parallel Lines Cut by a Transversal, Day 2. Warm Up Find the measures of angles 1, 2, and 3, if m
3-3 Proving Lines Parallel
1 2 Parallel lines Corresponding angles postulate: If 2 parallel lines are cut by a transversal, then corresponding angles are congruent….(ie.
Polygons and Triangles Chapter 10 Lesson 4 and 5
Angle Relationships Lesson 54Power Up KPage 367. Angle Relationships Adjacent angles: share a common vertex and side, but don’t over lap. Vertical (opposite)
Geometry. Definitions Geometry Definitions 1.straight angle - 180º.
What’s Your Angle? An Introduction to Angle Pair Relationships.
 Alternate interior angles  congruent  Same side interior angles  supplementary.
Warm-Up. 2.6 Parallel Line Angles Objective Explore relationships of the angles formed by a transversal cutting parallel lines. HW: p. 141 #1, 3-6, 9-10.
Sections  A parallelogram must have:  Both pair of opposite sides congruent  Both pair of opposite angles congruent  Consecutive angles that.
3-2 Properties of Parallel Lines. 2) Postulate 10: Corresponding Angles Postulate If two parallel lines are cut by a transversal then the pairs of corresponding.
Corresponding Angles Postulate If a transversal intersects 2 || lines, then corresponding s are .
PROPERTIES OF PARALLEL LINES POSTULATE
3-2 Properties of Parallel Lines
3.4 Proving that Lines are Parallel
Proving Lines are Parallel
Lesson 3.1 AIM: Properties of Parallel Lines
3.1 Lines and Angles 3.1 Lines and Angles.
Parallel Lines cut by a Transversal Practice
What’s Your Angle?.
Classifying Triangles and Quadrilaterals
Proving Lines Parallel
Proving Lines Parallel
Alternate Interior Angles
Chapter 5 -- Quadrilaterals
Parallel Lines and Angles
Terra Nova Practice Lesson 17
Angle Relationships Teacher Twins©2014.
Chapter 3: Parallel and Perpendicular Lines
Parallel Lines and a Transversal Line
Parallel Lines and a Transversal Line
Remember … The converse of an if/then statement is when you switch around the “if” and “then” parts.
Angles and Parallel Lines
PARALLEL LINES Cut by a transveral.
Congruent, Supplementary, and Complementary
3-2 Properties of Parallel Lines
Insert Lesson Title Here
Unit 6 Quadrilaterals Section 6.1 Properties of Parallelograms
EXAMPLE 2 Solve a real-world problem Snake Patterns
Properties of parallel Lines
Objectives: Identify parallel and perpendicular lines
3-1 Properties of Parallel Lines M11.B A
Converse Definition The statement obtained by reversing the hypothesis and conclusion of a conditional.
Unit 4A – Geometric Figures Lesson 3 Triangles
DRILL In the figure a || b. 1. Name the angles congruent to 3.
Angle Relationships with Parallel Lines
Parallel Lines Obtuse angles Acute angles Transversal
6.3 Conditions for Parallelograms
Warmup! Use the figure at right to: 1. Name the set of parallel lines.
Angle Relationships Teacher Twins©2014.
Properties of Parallelograms
3-2 Proving Lines Parallel
Parallel Lines and Transversals
3-1 Properties of Parallel Lines
3.2 Notes: Use Parallel Lines and Transversals
Parallel lines & algebra
Angles and Parallel Lines
Presentation transcript:

Course 3 Parallel Lines In the figure, line n || line m. Find the measure of the angle . 7 All obtuse angles in the figure are congruent m7 = 144° 1 144° 3 4 5 6 7 8 m n

Course 3 Parallel Lines In the figure, line n || line m. Find the measure of the angle . 5 5 is supplementary to the angle 144°. 1 144° 3 4 5 6 7 8 m n m5 + 144° = 180° –144° –144° m 5 = 36°

Alternate and Same Side Angles Find the value of x.

Find the value of x

Find the value of x

Find the value of x

Find the value of x

Find the value of x

Find the value of x

Find the value of x

Find the value of x

Find the value of x

Exit Ticket