CK-12 Geometry-Concepts

http://www.ck12.org Chapter 3. Parallel and Perpendicular Lines MEDIA Click image to the left for use the URL below. URL: http:/ ...

3.11. Distance Between Parallel Lines http://www.ck12.org Interactive Practice MEDIA Click image to the left for use the URL bel ...

http://www.ck12.org Chapter 3. Parallel and Perpendicular Lines 3. 4. Determine the shortest distance between the each pair of p ...

3.11. Distance Between Parallel Lines http://www.ck12.org are explored. Building on the discussion of parallel lines, perpendicu ...

http://www.ck12.org Chapter 3. Parallel and Perpendicular Lines Texas Instruments Resources In the CK-12 Texas Instruments Geome ...

http://www.ck12.org CHAPTER 4 Triangles and Congruence Chapter Outline 4.1 Triangle Sum Theorem 4.2 EXTERIORANGLESTHEOREMS 4.3 C ...

http://www.ck12.org Chapter 4. Triangles and Congruence 4.1 Triangle Sum Theorem Here you’ll learn that the sum of the angles in ...

4.1. Triangle Sum Theorem http://www.ck12.org Guidance In polygons,interior anglesare the angles inside of a closed figure with ...

http://www.ck12.org Chapter 4. Triangles and Congruence Given: 4 ABCwith ←→ AD||BC Prove:m^61 +m^62 +m^63 = 180 ◦ TABLE4.1: Stat ...

4.1. Triangle Sum Theorem http://www.ck12.org Example B Show why Theorem #1 is true. 4 ABCabove is an example of an equiangular ...

http://www.ck12.org Chapter 4. Triangles and Congruence CK-12 Foundation: Chapter4TriangleSumTheoremB Concept Problem Revisited ...

4.1. Triangle Sum Theorem http://www.ck12.org Two interior angles of a triangle measure 50◦and 70◦. What is the third interior ...

http://www.ck12.org Chapter 4. Triangles and Congruence 2. 3. 4. 5. 6. 7. Two interior angles of a triangle measure 32◦and 64◦. ...

4.1. Triangle Sum Theorem http://www.ck12.org 12. 13. 14. 15. ...

http://www.ck12.org Chapter 4. Triangles and Congruence 4.2 Exterior Angles Theorems Here you’ll learn what an exterior angle is ...

4.2. Exterior Angles Theorems http://www.ck12.org Guidance Anexterior angleis the angle formed by one side of a polygon and the ...

http://www.ck12.org Chapter 4. Triangles and Congruence TABLE4.2: Statement Reason 4 ABCwith exterior angle^6 ACD Given 2.m^6 A ...

4.2. Exterior Angles Theorems http://www.ck12.org 6 4 ∼= (^67) 6 5 ∼= (^68) 6 6 ∼= (^69) Example B Find the measure of the numbe ...

http://www.ck12.org Chapter 4. Triangles and Congruence x+p= 180 ◦ 120 ◦+p= 180 ◦ p= 60 ◦ Watch this video for help with the Exa ...

4.2. Exterior Angles Theorems http://www.ck12.org Findm^6 C. Find the value ofxand the measure of each angle. Answers: Set up ...