Chris Giovanello, LBUSD Math Curriculum Office, 2004 Beat the Computer! Geometry Vocabulary for Unit 4.

Slides:

Advertisements

Similar presentations

Beat the Computer! Geometry Vocabulary and Formulas for Unit 1

Advertisements

Beat the Computer! Geometry Vocabulary for Unit 2

Beat the Computer! Geometry Vocabulary for Unit 3

Hypotenuse – Leg Congruence Theorem: HL

Classifying Triangles by sides and angles Beat the Computer Drill.

6-2: Proving Congruence using congruent parts Unit 6 English Casbarro.

Congruent Polygons Have congruent corresponding parts. Have congruent corresponding parts. When naming congruent polygons, always list corresponding vertices.

CHAPTER 4 Congruent Triangles SECTION 4-1 Congruent Figures.

Chapter 4. Congruent Figures – figures that have exactly the same size and shape.Congruent Figures – figures that have exactly the same size and shape.

FINAL EXAM REVIEW Chapter 4 Key Concepts. Chapter 4 Vocabulary congruent figures corresponding parts equiangular Isosceles Δ legsbase vertex angle base.

Test For Congruent Triangles. Test 1 3 cm 4 cm 3 cm Given three sides : SSS Two triangles are congruent if the three sides of one triangle are equal to.

Chapter 4 Vocab. Review. 1. If you know that 2 triangles are congruent, then the corresponding sides and angles of the triangles are congruent because.

Chapter 4: Congruent Triangles Objective: To recognize congruent triangles and their corresponding parts. Key Vocabulary: Congruent Triangles.

 Figures are congruent if you can slide, flip or turn them.  If you know that two triangles are congruent then you can list their congruent sides and.

Honors Geometry Section 8.3 Similarity Postulates and Theorems.

Geometry – Chapter 4 Congruent Triangles.

Proving Triangles Congruent. Warm Up Objectives Can you prove triangles congruent using SSS, SAS, ASA, AAS, and HL?

Do Now #28:. 5.4 Hypotenuse-Leg (HL) Congruence Theorem Objective: To use the HL Congruence Theorem and summarize congruence postulates and theorems.

Stuck on 4.1 – 4.4? Katalina Urrea and Maddie Stein ;)

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

Use Isosceles and Equilateral Triangles

Section 4-5: Isosceles and Equilateral Triangles.

of a Line Beat the Computer Drill Becky Afghani LBUSD Math Office 2003.

Geometry 4-5 ASA, AAS, and HL. Vocab. Word An included side is the common side of two consecutive angles in a polygon. (The side in between two angles)

Proving Triangles Congruent

DO NOW!!! Solve for “x”..

Chris Giovanello, LBUSD Math Curriculum Office, 2004 Beat the Computer! Intermediate Algebra Vocabulary for Unit 1.

Chapter 4.1 Common Core - G.SRT.5 Use congruence…criteria for triangles to solve problems and prove relationships in geometric figures. Objectives – To.

Triangle Sum Theorem The sum of the angle measures in a triangle is 180 degrees.

UNIT 7: CONGRUENT TRIANGLES, AND THEOREMS Final Exam Review.

Unit 2 Part 4 Proving Triangles Congruent. Angle – Side – Angle Postulate If two angles and the included side of a triangle are congruent to two angles.

For 9 th /10 th grade Geometry students Use clicker to answer questions.

4.4 Isosceles Triangles, Corollaries, & CPCTC. ♥Has at least 2 congruent sides. ♥The angles opposite the congruent sides are congruent ♥Converse is also.

Then/Now You identified and used congruent angles. Name and use corresponding parts of congruent polygons. Prove triangles congruent using the definition.

Are the following triangles congruent? Why or why not? Write a congruence statement for the triangles. 21 ° 74 ° 85 ° 21 ° 74 ° 85 ° T S R L M N.

Geometry - Unit 4 $100 Congruent Polygons Congruent Triangles Angle Measures Proofs $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400.

8.2 CPCTC Geometry.

Objectives Apply ASA, AAS, and HL to construct triangles and to solve problems. Prove triangles congruent by using ASA, AAS, and HL.

Bell-Ringer Given:, m

Side-side-side (SSS) postulate If three sides of one triangle are congruent to three sides of another triangle, then the triangles are congruent.

Sect. 4.6 Isosceles, Equilateral, and Right Triangles

Review: Solving Systems x 2y+3 x+y 12 Find the values of x and y that make the following triangles congruent.

Honors Geometry Section 4.3 cont. Using CPCTC. In order to use one of the 5 congruence postulates / theorems ( )we need to show that 3 parts of one triangle.

4-5 Isosceles and Equilateral Triangles

Geometry: Congruent Triangles

Aim: How do we prove triangles congruent using the Angle-Angle-Side Theorem? Do Now: In each case, which postulate can be used to prove the triangles congruent?

Other Methods of Proving Triangles Congruent

Proving Triangles Congruent

Section 4.5 isosceles & equilateral triangles

Geometry Extra Credit Chapter 3

Fractions to Decimals In Order

Objective: To use and apply properties of isosceles triangles.

Becky Afghani, LBUSD Math Curriculum Office, 2004

Becky Afghani, LBUSD Math Curriculum Office, 2004

Identifying types and proofs using theorems

All Integer Multiplication Facts to 12

4.1 Congruent Figures -Congruent Polygons: have corresponding angles and sides -Theorem 4.1: If 2 angles of 1 triangle are congruent to 2 angles of another.

Learn to use the ASA and AAS tests for congruence.

Warm-Up #38 Line M goes through the points (7, -1) and (-2, 3). Write an equation for a line perpendicular to M and through the origin. What are the new.

Beat the Computer! Squares.

Proving Triangles are Congruent

Becky Afghani, LBUSD Math Curriculum Office, 2004

Lesson 3-2 Isosceles Triangles.

Becky Afghani, LBUSD Math Curriculum Office, 2004

Becky Afghani, LBUSD Math Curriculum Office, 2004

Becky Afghani, LBUSD Math Curriculum Office, 2004

Becky Afghani, LBUSD Math Curriculum Office, 2004

4-4/4-5 Proving Triangles Congruent

Becky Afghani, LBUSD Math Curriculum Office, 2004

Presentation transcript:

Chris Giovanello, LBUSD Math Curriculum Office, 2004 Beat the Computer! Geometry Vocabulary for Unit 4

Chris Giovanello, LBUSD Math Curriculum Office, 2004 Directions: A slide will appear with a term Say the definition aloud before the computer can answer (5 sec.) You will hear a sound when the slide changes

Chris Giovanello, LBUSD Math Curriculum Office, 2004 congruent polygons

Chris Giovanello, LBUSD Math Curriculum Office, 2004 congruent polygons: are polygons with congruent corresponding parts - their matching sides and angles pg. 180 AX BY ZC DW Polygon ABCD Polygon XYZW

Chris Giovanello, LBUSD Math Curriculum Office, 2004 SSS Side-Side-Side Postulate

Chris Giovanello, LBUSD Math Curriculum Office, 2004 SSS If three sides of one triangle are congruent to three sides of another triangle, then the two triangles are congruent. pg. 187 GP QH RF GHF PQR

Chris Giovanello, LBUSD Math Curriculum Office, 2004 SAS Side-Angle-Side Postulate

Chris Giovanello, LBUSD Math Curriculum Office, 2004 SAS If two sides and included angle of one triangle are congruent to two sides and included angle of another triangle, then the two triangles are congruent. pg. 188 CF DB EA BCA FDE

Chris Giovanello, LBUSD Math Curriculum Office, 2004 ASA Angle-Side-Angle Postulate

Chris Giovanello, LBUSD Math Curriculum Office, 2004 ASA If two angles and included side of one triangle are congruent to two sides and included angle of another triangle, then the two triangles are congruent. pg. 195 GK PB NH HGB NKP

Chris Giovanello, LBUSD Math Curriculum Office, 2004 AAS Angle-Angle-Side Postulate

Chris Giovanello, LBUSD Math Curriculum Office, 2004 AAS If two angles and nonincluded side of one triangle are congruent to two angles and nonincluded side of another triangle, then the two triangles are congruent. pg. 195 DG TC XM CDM TGX

Chris Giovanello, LBUSD Math Curriculum Office, 2004 CPCTC

Chris Giovanello, LBUSD Math Curriculum Office, 2004 CPCTC: corresponding parts of congruent triangles are congruent pg. 203

Chris Giovanello, LBUSD Math Curriculum Office, 2004 legs of an isosceles triangle

Chris Giovanello, LBUSD Math Curriculum Office, 2004 legs of an isosceles triangle: the congruent sides of an isosceles triangle pg. 211 Legs

Chris Giovanello, LBUSD Math Curriculum Office, 2004 base of an isosceles triangle

Chris Giovanello, LBUSD Math Curriculum Office, 2004 base of an isosceles triangle: the side of an isosceles triangle that is not congruent to either of the other sides pg211 Base

Chris Giovanello, LBUSD Math Curriculum Office, 2004 vertex angle of an isosceles triangle

Chris Giovanello, LBUSD Math Curriculum Office, 2004 vertex angle of an isosceles triangle: the angle formed by the two congruent sides of an isosceles triangle pg. 211 Vertex Angle

Chris Giovanello, LBUSD Math Curriculum Office, 2004 base angles of an isosceles triangle

Chris Giovanello, LBUSD Math Curriculum Office, 2004 base angles of an isosceles triangle: the angles opposite the congruent sides of an isosceles triangle pg. 211 Base Angles

Chris Giovanello, LBUSD Math Curriculum Office, 2004 corollary

Chris Giovanello, LBUSD Math Curriculum Office, 2004 corollary: a statement that follows immediately from a theorem pg. 212

Chris Giovanello, LBUSD Math Curriculum Office, 2004 hypotenuse of a right triangle

Chris Giovanello, LBUSD Math Curriculum Office, 2004 hypotenuse of a right triangle: the side opposite the right angle pg. 217 Hypotenuse

Chris Giovanello, LBUSD Math Curriculum Office, 2004 legs of a right triangle

Chris Giovanello, LBUSD Math Curriculum Office, 2004 legs of a right triangle: the sides that are not opposite the right angle pg. 217 Legs