Slide 1Chapter 1 Basics of Geometry By: Carly Overleese, Karmen Spiker and Lindsey Lewis Slide 2 1.1 Identify the pattern in the picture. What is the next figure? Slide 3…

UNIT 5.5 INDIRECT PROOF Warm Up 1. Write a conditional from the sentence “An isosceles triangle has two congruent sides.” 2. Write the contrapositive of the conditional…

Slide 1 Geometry Lesson 2 – 8 Proving Angle Relationships Objective: Write proofs involving supplementary angles. Write proofs involving congruent and right angles. Slide…

Slide 1 Warm-up 1)What 1)What is the notation for angle with vertex at A and whose rays pass through points B and C? 2)What 2)What is the definition of an angle? Slide 2…

Slide 1 1.4 Angles and Their Measures Slide 2 Standard/Objectives: Standard: Students will understand geometric concepts and applications Benchmark: Use visualization, spatial…

Lesson 2-8 Proving Angle Relationships 5-Minute Check on Lesson 2-7 Transparency 2-8 Justify each statement with a property of equality or a property of congruence. 1. If…

1-4: Measuring Angles Parts of an Angle An angle is formed by two rays with the same endpoint. The rays are the sides of the angle and the endpoint is the vertex of the angle.…

Chapter 5 5-5 indirect proofs Chapter 5 Objectives Write indirect proofs. Apply inequalities in one triangle. Indirect Proofs So far you have written proofs using direct…

Reasoning & Proof Reasoning & Proof Chapter 2 Lesson 2-5 Postulates & Paragraph Proofs Vocabulary postulate axiom theorem proof paragraph proof informal proof…

1.4 ANGLES The two rays are called the sides of the angle. The common endpoint of the two rays is called the vertex of the angle An angle is a geometric figure that consists…