CK-12 Geometry - Second Edition

http://www.ck12.org Chapter 1. Basics of Geometry |(− 4 )− 3 |=|− 7 |= 7 The distance between the two points is 7 units. Know Wh ...

1.2. Segments and Distance http://www.ck12.org 7. 8. Make a sketch ofBT, withAbetweenBandT. IfOis in the middle ofLT, where exa ...

http://www.ck12.org Chapter 1. Basics of Geometry 22. 23. 24. ...

1.2. Segments and Distance http://www.ck12.org 25. Each of the following problems presents an opportunity for students to extend ...

http://www.ck12.org Chapter 1. Basics of Geometry 3. 4.m=^3 −− 4 (−−^26 )=−^510 =−^12 y=−^12 x+b − 2 =−^12 ( 6 )+b − 2 =− 3 +b 1 ...

1.3. Angles and Measurement http://www.ck12.org 1.3 Angles and Measurement Learning Objectives Define and classify angles. Appl ...

http://www.ck12.org Chapter 1. Basics of Geometry Two Rays = One Angle In #1 above, the figure was a ray. It is labeled −→ AB, w ...

1.3. Angles and Measurement http://www.ck12.org Notice that there are two sets of measurements, one opening clockwise and one op ...

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

1.3. Angles and Measurement http://www.ck12.org Notice the half-square, marking the angle. This marking is always used to mark r ...

http://www.ck12.org Chapter 1. Basics of Geometry Solution:The vertex isU. So, the angle can be^6 T UVor^6 V U T. To determine w ...

1.3. Angles and Measurement http://www.ck12.org This process can be used to draw any angle between 0◦and 180◦. See http://www.ma ...

http://www.ck12.org Chapter 1. Basics of Geometry Draw a line from the new vertex to the arc intersections. To watch ananimati ...

1.3. Angles and Measurement http://www.ck12.org Solution: AD⊥ ←→ FC m^6 ADB=m^6 BDC=m^6 F DE= 45 ◦ AD=DE F D=DB=DC m^6 ADF=m^6 A ...

http://www.ck12.org Chapter 1. Basics of Geometry Solution:Using the Angle Addition Postulate,m^6 QRT= 15 ◦+ 30 ◦= 45 ◦. Example ...

1.3. Angles and Measurement http://www.ck12.org Review Questions For questions 1-10, determine if the statement is true or false ...

http://www.ck12.org Chapter 1. Basics of Geometry 20. 21. 22. Interpret the picture to the right. Write down all equal angles, ...

1.3. Angles and Measurement http://www.ck12.org 26.A(− 3 , 0 ) B( 1 , 3 ) C( 5 , 0 ) In Exercises 27-31, use the following infor ...

http://www.ck12.org Chapter 1. Basics of Geometry 33.m^6 ADC= 130 ◦ 34.m^6 ADC= ( 16 x− 55 )◦ 35.m^6 ADC= ( 9 x− 80 )◦ 36.Writin ...

1.3. Angles and Measurement http://www.ck12.org 4 a= 36 a= 9 3.CD= 51 ,DE= 10 8 x+ 3 + 3 x− 8 = 4 x+ 37 11 x− 5 = 4 x+ 37 7 x= 4 ...