6.2 Properties of Parallelograms. Geometry Mrs. Spitz Spring 2005. Objectives:. Use some properties of parallelograms. Use properties of parallelograms in real-lie situations such as the drafting table shown in example 6. Assignment:. pp. 333-335 #2-37 and 39. In this lesson . . . .

By6.2 Properties of Parallelograms. Geometry Mrs. Spitz Spring 2005. Objectives:. Use some properties of parallelograms. Use properties of parallelograms in real-lie situations such as the drafting table shown in example 6. Assignment:. pp. 333-335 #2-37 and 39. In this lesson . . . .

ByWrite a proof. GIVEN. KL NL , KM NM. PROVE. KLM NLM. Proof. KL NL and KM NM. It is given that. LM LN . By the Reflexive Property,. So, by the SSS Congruence Postulate,. KLM NLM. EXAMPLE 1. Use the SSS Congruence Postulate. DFG HJK.

By2.1 Conditional Statements. Day 1 Part 1 CA Standards 1.0, 3.0 . Warmup. State whether each sentence is true or false. If you live in Los Angeles, then you live in California. If you live in California, then you live in Los Angeles. If today is Wednesday, then tomorrow is Thursday.

By5.6 Inequalities in 2 Triangles. & Indirect Proof. Vocabulary/Theorems. Hinge Theorem:

ByWrite a congruence statement for the triangles. Identify all pairs of congruent corresponding parts. The diagram indicates that. JKL TSR . Corresponding angles. J T , ∠ K S , L R. Corresponding sides. JK TS , KL SR , LJ RT. EXAMPLE 1.

ByIdentity and Equality Properties. Algebra 1A Coventry High School Ms. Della Porta and Ms. Becker. What you’ll learn. To recognize and use the properties of identity and equality To determine the multiplicative inverse of a number. Sounds pretty hard, doesn’t it? It’s not!.

By4.5 Segment and Angle Proofs. Basic geometry symbols you need to know. Vocabulary. Proof – a logical argument that shows a statement is true Two – column proof – numbered statements in one column, corresponding reason in other Statement Reasons.

By5.1 Perpendiculars and Bisectors. Geometry Mrs. Spitz Fall 2004. Objectives:. Use properties of perpendicular bisectors Use properties of angle bisectors to identify equal distances such as the lengths of beams in a room truss. Assignment:. pp. 267-269 #1-26, 28, 32-35 all – Quiz after 5.3.

By6.2 Properties of Parallelograms. Geometry Mrs. Spitz Spring 2005. Objectives:. Use some properties of parallelograms. Use properties of parallelograms in real-lie situations such as the drafting table shown in example 6. Assignment:. pp. 333-335 #2-37 and 39. In this lesson . . . .

ByNAME THAT PROPERTY!. For each of the equations below, tell which property allows us to make the change shown. NAME THAT PROPERTY!. 4(2+x)=8+4x Distributive Property 2y + 3x + 6y = 2y + 6y + 3x Commutative Prop.

By2-5 Reasoning in Algebra and Geometry. *I can identify and use the properties of equality. (addition, subtraction, multiplication, division, reflexive, symmetric, transitive, and substitution.) *I can use the distributive property to justify combining like terms

ByWarm Up. Warm Up Answers. Theorem and Proof. A theorem is a statement or conjecture that has been shown to be true. Theorems can be used like a definition or postulate to justify other statements are true.

By1.3 Solving Equations. Remember those good ‘ol times last year in Geometry???. Algebraic Properties of Equality. Addition Property If a=b, then a+c = b + c Subtraction Property If a=b, then a-c = b-c Multiplication Property If a=b then ac = bc Division Property

By4-4. Triangle Congruence: SSS and SAS. Holt Geometry. AB , AC , BC. QR LM , RS MN , QS LN , Q L , R M , S N. Warm Up 1. Name the angle formed by AB and AC . 2. Name the three sides of ABC .

ByIdentify the overlapping triangles. . Parts of sides DG and EG are shared by DFG and EHG . . These parts are HG and FG , respectively. Using Corresponding Parts of Congruent Triangles. LESSON 4-7. Additional Examples.

ByWhat number goes in the box?. Math is brought to you by the number …. May 2, 2013 Day 75 of 90 90-75 = . Warm up. Ex 1: Convert 5 miles to feet. CCGPS Coordinate Algebra. EOCT Review Units 1 and 2. Unit 1: Relationships Among Quantities. Key Ideas. Unit Conversions.

By4.5 Using Congruent Triangles. Geometry. Objectives:. Use congruent triangles to plan and write proofs. Use congruent triangles to prove constructions are valid. Assignment:. Pgs. 232-234 #1-21 all. Planning a proof.

ByAdvanced Geometry. Ch 8 Summary . . . and why SSA and AAA are NOT Δ Congruence Methods of Proof!. Why SSA Won’t Work!. Begin with a RIGID line segment (For example: AB = 3 cm) . Create a FIXED angle measure with another ray sharing endpoint A. We have:. AB = 3 cm. B. SIDE.

ByBC DA , BC AD. ABC CDA. STATEMENTS. REASONS. S. BC DA. Given. Given. BC AD. BCA DAC. A. Alternate Interior Angles Theorem. S. AC CA. Reflexive Property of Congruence. EXAMPLE 1. Use the SAS Congruence Postulate. Write a proof. GIVEN. PROVE. EXAMPLE 1.

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