Agenda: Warmup More practice QUIZ tomorrow

Slides:

Advertisements

Similar presentations

Median ~ Hinge Theorem.

Advertisements

5.5 INEQUALITIES IN TRIANGLES (PART TWO). Think back…. What do we remember about the exterior angles of a triangle?

Warm-up: Find the missing side lengths and angle measures This triangle is an equilateral triangle 10 feet 25 feet This triangle is an isosceles triangle.

Properties and Theorems

Today – Wednesday, January 16, 2013  Learning Target: Review Ch.5 by practicing Ch.5 concepts in text book  Review Content from each chapter.

Medians, Altitudes, and Angle Bisectors Honors Geometry Mr. Manker.

Date: Topic: Proofs of Triangle Congruence (6.3)

Lesson 56: Special Right Triangles

Adapted from Walch Education Isosceles triangles have at least two congruent sides, called legs. The angle created by the intersection of the legs is.

1 4-5 Isosceles and Equilateral Triangles State and apply the Isosceles Triangle Theorem and its converse State and apply the corollaries for equilateral.

Triangle – a three sided polygon (straight sides; closed) A B C 3 sides: 3 angles: 3 vertices: A, B, C.

5.1 Angle Relationships in a Triangle

Defining Triangles During this lesson, you will define triangles and their parts.

Section 4-5: Isosceles and Equilateral Triangles.

Chapter 5 Review Perpendicular Bisector, Angle Bisector, Median, Altitude, Exterior Angles and Inequality.

Find the missing angle ?0?0. Special Segments in Triangles.

Section 5-5: Inequities in Triangles March 8, 2012.

Geometry. Kinds of triangles Geometry Kinds of triangles.

Chapter 5 Relationships within Triangles In this chapter you will learn how special lines and segments in triangles relate.

Properties of Triangles

Ticket In the Door Write out each of the following: 1.SSS Postulate 2.SAS Postulate 3.ASA Postulate 4.AAS Postulate.

Triangle Sum Properties & Inequalities in a Triangle Sections 4.1, 5.1, & 5.5.

Warmup – grab a book Room , submit answers for x and y.

EQUILATERAL & ISOSCELES Quiz tomorrow. CLASSIFY the triangle by ANGLES and SIDES Angles: acute, obtuse, right Sides:equilateral, isosceles, scalene 91.

Unit 3 Triangles. Chapter Objectives Classification of Triangles by Sides Classification of Triangles by Angles Exterior Angle Theorem Triangle Sum Theorem.

BELLRINGER Find x by using LP x = x = 113° x = ?

Classify triangles by sides No congruent sides Scalene triangle At least two sides congruent Isosceles triangle Three congruent sides Equilateral triangle.

Relationships Within Triangles Chapter5. Triangle Midsegment Theorem If a segment joins the midpoints of two sides of a triangle, then the segment is.

LESSON 38 Perpendicular and Angle Bisectors of Triangles.

Unit 5 Notes Triangle Properties. Definitions Classify Triangles by Sides.

4.7 Triangle Inequalities. In any triangle…  The LARGEST SIDE lies opposite the LARGEST ANGLE.  The SMALLEST SIDE lies opposite the SMALLEST ANGLE.

Median and Altitude of a Triangle Sec 5.3

Vocabulary Unit 4 & 5. Equilateral/Equiangular Triangle A triangle with 3 congruent sides and 3 congruent angles.

Vocabulary Truths About Triangles MidsegmentsInequalities.

Points of Concurrency The point where three or more lines intersect.

5.3: Concurrent Lines, Medians and Altitudes Objectives: Students will be able to… Identify properties of perpendicular bisectors and angle bisectors Identify.

What is an Isosceles Triangle? A triangle with at least two congruent sides.

4.7 Triangle Inequalities

Unit 3 Triangles. Chapter Objectives Classification of Triangles by Sides Classification of Triangles by Angles Exterior Angle Theorem Triangle Sum Theorem.

Isosceles Triangles Theorems Theorem 8.12 – If two sides of a triangle are equal in measure, then the angles opposite those sides are equal in measure.

Triangles and Angles Classifying Triangles. Triangle Classification by Sides Equilateral 3 congruent sides Isosceles 2 congruent sides Scalene No congruent.

Applied Geometry Lesson: 6 – 4 Isosceles Triangles Objective: Learn to identify and use properties of isosceles triangles.

LESSON FIFTEEN: TRIANGLES IN TRAINING. MORE TRIANGLE PROPERTIES In the last lesson, we discussed perpendicular bisectors and how they intersect to create.

5-2 Median & Altitudes of Triangles

4.5 isosceles and Equilateral Triangles -Theorem 4.3: Isosceles Triangle theorem says if 2 sides of a triangle are congruent, then the angles opposite.

Chapter 5, Section 1 Perpendiculars & Bisectors. Perpendicular Bisector A segment, ray, line or plane which is perpendicular to a segment at it’s midpoint.

Geometry SOL review Session 2. Triangle relationships Congruent triangles Similar triangles Right triangles Triangle inequalities.

4.1 Triangle Angle Sum and Properties. How many degrees in a triangle? The sum of the angles in any triangle is exactly 180 degrees.

Special lines in Triangles and their points of concurrency Perpendicular bisector of a triangle: is perpendicular to and intersects the side of a triangle.

Unit Essential Question: How do you use the properties of triangles to classify and draw conclusions?

Chapter 5 Relationships in Triangles 5.1 Bisectors, Medians, and Altitudes 5.2 Inequalities and Triangles 5.4 The Triangle Inequality 5.5 Inequalities.

Vocabulary Triangle Algebra MidsegmentsInequalities.

Triangle Fundamentals

Use Medians and Altitudes

4.4 Altitudes, Medians, and Perpendicular Bisectors

Triangle Centers Points of Concurrency

Bell work: Turn in when completed

You need your journal The next section in your journal is called special segments in triangles You have a short quiz.

Triangle Fundamentals

Bisectors, Medians and Altitudes

4-7 Medians, Altitudes, and Perpendicular Bisectors

Inside angles theorem.

5.3 Concurrent Lines, Medians, and Altitudes

4-7 & 10-3 Proofs: Medians Altitudes Angle Bisectors Perpendicular

MID-TERM STUFF HONORS GEOMETRY.

Lesson: 5.1 Special Segments in Triangles Pages: 238 – 241 Objectives:

GEOMETRY; AGENDA;DAY 47, MON. [OCT. 29, 2018]

Chapter 5 and Triangle Properties review

INEQUALITIES Sides/Angles of Triangles

Presentation transcript:

Agenda: Warmup More practice QUIZ tomorrow How do we describe the relationships created from special segments that can be drawn inside triangles? Agenda: Warmup More practice QUIZ tomorrow

State whether the dashed line is the median, altitude, angle bisector or perpendicular bisector.

More triangle practice Textbook p. 219 #4-24; 48-59 Textbook p. 224 #1-7, 15-20

QUIZ tomorrow! Classify triangles by sides and angles Determine the order of biggest sides/angles to smallest Special properties of isosceles and equilateral triangles Triangle inequality (sum of 2 smaller sides must be more than the largest side) Exterior angle theorem Special segments in triangles and points of concurrency