CK-12 Geometry - Second Edition

http://www.ck12.org Chapter 3. Parallel and Perpendicular Lines CHAPTER 3 Parallel and Perpendicular Lines Chapter Outline 3.1 L ...

3.1. Lines and Angles http://www.ck12.org 3.1 Lines and Angles Learning Objectives Identify parallel lines, skew lines, and par ...

http://www.ck12.org Chapter 3. Parallel and Perpendicular Lines The symbol for parallel is||. To mark lines parallel, draw arrow ...

3.1. Lines and Angles http://www.ck12.org Solution: a) PlanesABCandEF G, PlanesAEGandF BH, PlanesAEBandCDH b) PlanesABCandCDH, P ...

http://www.ck12.org Chapter 3. Parallel and Perpendicular Lines Perpendicular Line Postulate Perpendicular Line Postulate:For a ...

3.1. Lines and Angles http://www.ck12.org Notice that this is a different construction from a perpendicular bisector. To see a d ...

http://www.ck12.org Chapter 3. Parallel and Perpendicular Lines Notice that this is a different construction from a perpendicula ...

3.1. Lines and Angles http://www.ck12.org Alternate Exterior Angles:Two angles that are on theexterior oflandm, but on opposite ...

http://www.ck12.org Chapter 3. Parallel and Perpendicular Lines Find two pairs of skew lines. List a pair of parallel lines. Li ...

3.1. Lines and Angles http://www.ck12.org Ift⊥l, ist⊥m? Why or why not? Isl||m? Why or why not? 17.ConstructionDraw a line and ...

http://www.ck12.org Chapter 3. Parallel and Perpendicular Lines 3.2 Properties of Parallel Lines Learning Objectives Use the Co ...

3.2. Properties of Parallel Lines http://www.ck12.org Ifm^6 F T S= 35 ◦, determine the other angles that are 35◦. Ifm^6 SQV= 16 ...

http://www.ck12.org Chapter 3. Parallel and Perpendicular Lines Using your protractor, measure all of the angles. What do you n ...

3.2. Properties of Parallel Lines http://www.ck12.org Solution: m^62 = 115 ◦because they are corresponding angles and the lines ...

http://www.ck12.org Chapter 3. Parallel and Perpendicular Lines ( 4 x− 10 )◦= 58 ◦ 4 x= 68 ◦ x= 17 ◦ Alternate Exterior Angles T ...

3.2. Properties of Parallel Lines http://www.ck12.org Ify= 27 ◦, then each angle is 3( 27 ◦)+ 53 ◦, or 134◦. Same Side Interior ...

http://www.ck12.org Chapter 3. Parallel and Perpendicular Lines Solution:The given angles are same side interior angles. The lin ...

3.2. Properties of Parallel Lines http://www.ck12.org (^6) SQV. You could argue that the “State Streets” exist to help traffic m ...

http://www.ck12.org Chapter 3. Parallel and Perpendicular Lines For 17-20, find the values ofxandy. 17. 18. 19. 20. Algebra Conn ...

3.2. Properties of Parallel Lines http://www.ck12.org Given:l||mProve:^6 3 and^6 5 are supplementary (Same Side Interior Angles ...