CK-12 Geometry-Concepts

http://www.ck12.org Chapter 1. Basics of Geometry This angle is not lined up with 0◦, so use subtraction to find its measure. It ...

1.5. Angle Measurement http://www.ck12.org Guided Practice Use a protractor to measure^6 RSTbelow. What ism^6 LMNifm^6 LMO= 85 ...

http://www.ck12.org Chapter 1. Basics of Geometry Interactive Practice MEDIA Click image to the left for use the URL below. URL: ...

1.5. Angle Measurement http://www.ck12.org 14. 15. 16. Solve forx. 17.m^6 ADC= 56 ◦ 18.m^6 ADC= 130 ◦ 19.m^6 ADC= ( 16 x− 55 )◦ ...

http://www.ck12.org Chapter 1. Basics of Geometry ...

1.6. Angle Classification http://www.ck12.org 1.6 Angle Classification Here you’ll learn how to classify angles based on their m ...

http://www.ck12.org Chapter 1. Basics of Geometry Notice the half-square, marking the angle. This marking is always used to mark ...

1.6. Angle Classification http://www.ck12.org The vertex isU. So, the angle can be^6 T UVor^6 V U T. To determine what type of a ...

http://www.ck12.org Chapter 1. Basics of Geometry Acute Straight Interactive Practice MEDIA Click image to the left for use th ...

1.6. Angle Classification http://www.ck12.org 14.A( 5 ,− 3 ),B(− 3 ,− 1 ),C( 2 , 2 ) 15.A(− 3 , 0 ),B( 1 , 3 ),C( 5 , 0 ) ...

http://www.ck12.org Chapter 1. Basics of Geometry 1.7 Complementary Angles Here you’ll learn what complementary angles are and h ...

1.7. Complementary Angles http://www.ck12.org Because the two angles are complementary, they add up to 90◦. Make an equation. x+ ...

http://www.ck12.org Chapter 1. Basics of Geometry MEDIA Click image to the left for use the URL below. URL: http://www.ck12.org/ ...

1.7. Complementary Angles http://www.ck12.org 7.x◦ Use the diagram below for exercises 8-9. Note thatNK⊥ ←→ IL. Ifm^6 INJ= 60 ◦ ...

http://www.ck12.org Chapter 1. Basics of Geometry 1.8 Supplementary Angles Here you’ll learn what supplementary angles are and h ...

1.8. Supplementary Angles http://www.ck12.org Set up an equation. 78 ◦+m^6 PQR= 180 ◦ m^6 PQR= 102 ◦ Example B What are the meas ...

http://www.ck12.org Chapter 1. Basics of Geometry Guided Practice Find the measure of an angle that is supplementary to^6 ABCifm ...

1.8. Supplementary Angles http://www.ck12.org Ifm^6 INJ= 63 ◦, findm^6 JNL. For exercises 10-13, determine if the statement is ...

http://www.ck12.org Chapter 1. Basics of Geometry 1.9 Linear Pairs Here you’ll learn what linear pairs are and how they can help ...

1.9. Linear Pairs http://www.ck12.org (^6) PSQand (^6) QSRare a linear pair. m^6 PSR= 180 ◦ m^6 PSQ+m^6 QSR=m^6 PSR m^6 PSQ+m^6 ...