CK-12 Geometry-Concepts

http://www.ck12.org Chapter 1. Basics of Geometry Explore More In problems 1-6, name each polygon in as much detail as possible. ...

1.12. Polygon Classification http://www.ck12.org How many diagonals can you draw fromone vertexof a pentagon? Draw a sketch of ...

http://www.ck12.org Chapter 1. Basics of Geometry ⊥Perpendicular =Equal ∼=Congruent Chapter Keywords Geometry Point Line Plane ...

1.12. Polygon Classification http://www.ck12.org Angle Bisector Angle Bisector Postulate Complementary Supplementary Adjacent A ...

http://www.ck12.org Chapter 2. Reasoning and Proof CHAPTER 2 Reasoning and Proof Chapter Outline 2.1 Conjectures and Counterexam ...

2.1. Conjectures and Counterexamples http://www.ck12.org 2.1 Conjectures and Counterexamples Here you’ll learn how to make educa ...

http://www.ck12.org Chapter 2. Reasoning and Proof TABLE2.1: n (n− 1 )(n− 2 )(n− 3 ) t 1 ( 0 )(− 1 )(− 2 ) 0 2 ( 1 )( 0 )(− 1 ) ...

2.1. Conjectures and Counterexamples http://www.ck12.org Concept Problem Revisited Your older brother made the conjecture that a ...

http://www.ck12.org Chapter 2. Reasoning and Proof Any three points that are coplanar are also collinear. All girls like ice cr ...

2.2. If-Then Statements http://www.ck12.org 2.2 If-Then Statements Here you’ll learn how to rewrite statements in if-then form a ...

http://www.ck12.org Chapter 2. Reasoning and Proof Guidance Aconditional statement(also called anIf-Then Statement) is a stateme ...

2.2. If-Then Statements http://www.ck12.org MEDIA Click image to the left for use the URL below. URL: http://www.ck12.org/flx/re ...

http://www.ck12.org Chapter 2. Reasoning and Proof Guided Practice First rewrite in if-then form, then determine the hypothesis ...

2.3. Converse, Inverse, and Contrapositive http://www.ck12.org 2.3 Converse, Inverse, and Contrapositive Here you’ll learn how t ...

http://www.ck12.org Chapter 2. Reasoning and Proof Converse q→p If I wash the car︸ ︷︷ ︸ q ,then the weather is nice︸ ︷︷ ︸ p . In ...

2.3. Converse, Inverse, and Contrapositive http://www.ck12.org Notice for the inverse and conversewe can use the same counterexa ...

http://www.ck12.org Chapter 2. Reasoning and Proof a) Isp→qtrue? If not, find a counterexample. b) Isq→ptrue? If not, find a cou ...

2.3. Converse, Inverse, and Contrapositive http://www.ck12.org b. Isq→ptrue? If not, find a counterexample. c. Is∼p→∼qtrue? If n ...

http://www.ck12.org Chapter 2. Reasoning and Proof 2.4 Inductive Reasoning from Patterns Here you’ll learn how to inductively dr ...

2.4. Inductive Reasoning from Patterns http://www.ck12.org There will be 4 dots in the bottom row of the 4thfigure. There is one ...