CK-12 Geometry - Second Edition

http://www.ck12.org Chapter 3. Parallel and Perpendicular Lines d= √ ( 0 − 3 )^2 +(− 3 − 6 )^2 = √ (− 3 )^2 +(− 9 )^2 = √ 9 + 81 ...

3.6. The Distance Formula http://www.ck12.org y=mx+b 5 = 1 ( 2 )+b 5 = 2 +b 3 =b The equation of the perpendicular bisector isy= ...

http://www.ck12.org Chapter 3. Parallel and Perpendicular Lines Know What? RevisitedDraw two intersecting lines. Make sure they ...

3.6. The Distance Formula http://www.ck12.org 14. 15. 16. Determine the shortest distance between the each pair of parallel line ...

http://www.ck12.org Chapter 3. Parallel and Perpendicular Lines 20.y=−^13 x+ 2 ,y=−^13 x− 8 21.y= 4 x+ 9 ,y= 4 x− 8 22.y=^12 x,y ...

3.7. Chapter 3 Review http://www.ck12.org 3.7 Chapter 3 Review Keywords and Theorems Parallel Skew Lines Parallel Postulate Per ...

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 Sums 4.2 CONGRUENTFIGURES 4.3 TRIANGLECONGRU ...

http://www.ck12.org Chapter 4. Triangles and Congruence 4.1 Triangle Sums Learning Objectives Understand and apply the Triangle ...

4.1. Triangle Sums http://www.ck12.org A Little Triangle Review Recall that a triangle can be classified by its sides. Scalene: ...

http://www.ck12.org Chapter 4. Triangles and Congruence Triangle Sum Theorem Interior Angles(in polygons): The angles inside of ...

4.1. Triangle Sums http://www.ck12.org Triangle Sum Theorem:The interior angles of a triangle add up to 180◦. Example 1:What is ...

http://www.ck12.org Chapter 4. Triangles and Congruence Solution: 4 ABCto the left is an example of an equiangular triangle, whe ...

4.1. Triangle Sums http://www.ck12.org Example 4:Find the measure of^6 RQS. Solution: 112 ◦is an exterior angle of 4 RQS. Theref ...

http://www.ck12.org Chapter 4. Triangles and Congruence Solution: m^61 + 92 ◦= 180 ◦by the Linear Pair Postulate, som^61 = 88 ◦. ...

4.1. Triangle Sums http://www.ck12.org 130 ◦+ 110 ◦+x= 360 ◦ x= 360 ◦− 130 ◦− 110 ◦ x= 120 ◦ xandpare supplementary and add up t ...

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

4.1. Triangle Sums http://www.ck12.org Know What? RevisitedThe Bermuda Triangle is an acute scalene triangle. The angle measures ...

http://www.ck12.org Chapter 4. Triangles and Congruence 5. 6. 7. 8. 9. 10. 11. 12. 13. ...

4.1. Triangle Sums http://www.ck12.org 14. 15. Find the lettered angles,a−f, in the picture to the right. Note that the two lin ...