CHAPTER 3 LINES AND ANGLES Free powerpoints at

Slides:



Advertisements
Similar presentations
Angles and Parallel Lines
Advertisements

Angles and Parallel Lines
Angles and Parallel Lines
Angles and Parallel Lines
Angles and Parallel Lines
Complementary and Supplementary Angles.
Angles and Parallel Lines
Angle Relationships Vocabulary
CHAPTER 3 LINES AND ANGLES PARALLEL LINES Def: line that do not intersect. Illustration: Notation: l | | m AB | | CD l m A B C D p
Skew, Parallel and Perpendicular Lines
Parallel Lines & Transversals & Angles
PARALLEL LINES and TRANSVERSALS.
3-1 Lines and Angles Geometry. LINES AND ANGLES Warm Up 2) The soccer team scored 3 goals in each of their first two games, 7 goals in the next game,
Lesson 2-3: Pairs of Lines
Identify Pairs of Lines and Angles
LINES AND ANGLES Definitions Free powerpoints at Modified by Lisa Palen.
1 Angles and Parallel Lines. 2 Transversal Definition: A line that intersects two or more lines in a plane at different points is called a transversal.
Lesson 11.1 Angle and Line Relationships
Geometry 3.1 Big Idea: Identify pairs of lines and angles Big Idea: Identify pairs of lines and angles.
Parallel Lines and Transversals
Unit 1 Angles and Parallel Lines. Transversal Definition: A line that intersects two or more lines in a plane at different points is called a transversal.
Angles and Parallel Lines
1. Please complete the next 2 sections of your SKILL BUILDER now. 2. Please have out your HOMEWORK to be stamped. 3. Please have out your EXTERIOR ANGLE.
VOCABULARY UNIT 3. PARALLEL LINES Lines on the same plane that never intersect.
LINE AND ANGLE RELATIONSHIPS Quiz Review. TYPES OF ANGLES Acute Angles have measures less than 90°. Right Angles have measures equal to 90°. Obtuse Angles.
Angles and Parallel Lines
SWLT: Identify angle pairs formed by three intersecting lines GEOMETRY 3.1.
Lines that are coplanar and do not intersect. Parallel Lines.
Holt Geometry 3-1 Lines and Angles 3-1 Lines and Angles Holt Geometry Warm Up Warm Up Lesson Presentation Lesson Presentation Lesson Quiz Lesson Quiz.
3-1 Parallel and Perpendicular Lines 3-1 Parallel Lines and Transversals.
DO NOW: 1. Write as a biconditional: If it is an egg then it is green. 2.
MCC8.G.5 Angles and Parallel Lines Intersecting Lines Lines that cross at exactly one point. Think of an intersection, where two roads cross each other.
1. Please complete the next 3 sections of your SKILL BUILDER now. 2. Please have out your HOMEWORK to be stamped.
3.1 Lines and Angles.
Angles and Parallel Lines
LINES AND ANGLES.
Lesson 3.1 Lines and Angles
Angles and Parallel Lines
Angles and Parallel Lines
Angle Relationships.
vertical alternate interior linear pair
3.1 Pairs of Lines and Angles
Parallel Lines and Transversals
Angles and Parallel Lines
CHAPTER 3 LINES AND ANGLES Is it Chapter 3 for us too?
Angles and Parallel Lines
Angles and Parallel Lines
Angles and Parallel Lines
Angles and Parallel Lines
Angles and Parallel Lines
A line that intersects two or more lines at different points
Angles and Parallel Lines
Angles and Parallel Lines
LINES AND ANGLES.
CHAPTER 3 LINES AND ANGLES.
Angles and Parallel Lines
Objectives: Identify parallel and perpendicular lines
Relationships Between Lines
Parallel lines and transversals
Chapter 3 Sec 3.1 Lines and Angles.
CHAPTER 3 LINES AND ANGLES
Skew, Parallel and Perpendicular Lines
LINES AND ANGLES.
Angles and Parallel Lines
3.1 Lines and Angles.
Intro to Parallel Lines
Section 3.1: Lines and Angles
Parallel lines and transversals
Angles and Parallel Lines
Presentation transcript:

CHAPTER 3 LINES AND ANGLES Free powerpoints at

PARALLEL LINES Def: line that do not intersect. Illustration: Notation: l | | m AB | | CD l m A B C D p

Examples of Parallel Lines Hardwood Floor Opposite sides of windows, desks, etc. Parking slots in parking lot Parallel Parking Streets: Laramie & LeClaire

Examples of Parallel Lines Streets: Belmont & School

PERPENDICULAR LINES Def: Lines that intersect to form a right angle. Illustration: Notation: m  n Key Fact: 4 right angles are formed. m n p

Ex. of Perpendicular Lines Window panes Streets: Belmont and Cicero

Def: a line that intersects two lines at different points Illustration: Transversal t p

Vertical Angles Two angles that are opposite angles t  1   4  2   3  5   8  6   7

Vertical Angles Find the measures of the missing angles 125  ? ? 55  t 125 

Supplementary Angles/ Linear Pair Two angles that form a line (sum=180  ) t  5+  6=180  6+  8=180  8+  7=180  7+  5=180  1+  2=180  2+  4=180  4+  3=180  3+  1=180

Supplementary Angles/ Linear Pair Find the measures of the missing angles ? 72  ? t 108 

Corresponding Angles Two angles that occupy corresponding positions. Top Left t Top Right Bottom Right Bottom Left 11   5 22   6 33   7 44   p. 131 &

Corresponding Angles Find the measures of the missing angles 145  ? t 35  145 

Alternate Interior Angles Two angles that lie between parallel lines on opposite sides of the transversal t 33   6 44   p. 131 &

Alternate Interior Angles Find the measures of the missing angles 82  ? t 98  82 

Alternate Exterior Angles Two angles that lie outside parallel lines on opposite sides of the transversal t 22   7 11   p. 131 &

Alternate Exterior Angles Find the measures of the missing angles 120  ? t 60  120 

Consecutive Interior Angles Two angles that lie between parallel lines on the same sides of the transversal t 33 +  5 = 180 44 +  6 = p. 131 &

Consecutive Interior Angles Find the measures of the missing angles ? t 135  45 

HW P. 132 – 133 # 6 – 9 # 21 – 26 P #7 - 17

Feedback: Privacy Policy Feedback
Do Not Sell My Personal Information
About project: SlidePlayer Terms of Service

© 2024 SlidePlayer.com. Inc. All rights reserved.