Slide 1 Slide 2 Examine each statement. Determine whether it is true or false. If false, explain why. 1.If an animal is a bird, then it is a penguin. 2.If it rains, then…

Slide 1 Slide 2 40  x 4x – 20  Solve. Warm up 1. 2y + 28  3y – 14° 2. 42  Slide 3 Congruent triangles have 3 congruent sides and 3 congruent angles. The…

1. USING TRIANGLE CONGRUENCEavery common way of showing that two segments are congruent is by looking them as corresponding angles of congruent triangles 2. 2Side-Angle Relations…

1. 5.6 Inequalities in Two Triangles and Indirect Proof5.6Bell Thinger 1. Write the if-then form, converse, inverse, and contrapositive of the given statement. 3x – 8 =…

1. 4.64.6 Use Congruent Triangles Bell Thinger Suppose that ∆XYZ ≅ ∆RST. Complete each statement. ANSWER T ANSWER RS 1. XY ≅ ? 2. Z ≅ ? ANSWER Y 3. m S = m ? ANSWER…

1. 4.34.3 Prove Triangles Congruent by SSS 4.4 Prove Triangles Congruent by SAS and HL Bell Thinger ANSWER ∆MNO ≅ ∆PRQ 1. Write a congruence…

Slide 1 Slide 2 Proving Triangles are Congruent SSS, SAS; ASA; AAS CCSS: G.CO7 Slide 3 Standards for Mathematical Practices 1. Make sense of problems and persevere in solving…

Slide 1 Slide 2 But first a little warm up… Slide 3 Slide 4 How much do you need to know? To prove two triangles are exactly alike? (congruent) If all 6 parts (3 corresponding…

Slide 1 Slide 2 Please pick up your workbook. Slide 3 ACC Math 1 EQ: What does it mean for two triangles to be congruent? Slide 4 Congruent figures have the same size and…

Slide 1 4.1 Apply Congruence and Triangles 4.2 Prove Triangles Congruent by SSS, SAS Objectives: 1. To define congruent triangles 2. To write a congruent statement 3. To…