CK-12 Geometry - Second Edition

http://www.ck12.org Chapter 1. Basics of Geometry 23. Findx. Findy. Findxandyin the following diagrams. 26. 27. Algebra Connec ...

1.5. Angle Pairs http://www.ck12.org 30. 31. Review Queue Answers 1.x+ 26 = 3 x− 8 34 = 2 x 17 =x 2.( 7 y+ 6 )◦= 90 ◦ 7 y= 84 ◦ ...

http://www.ck12.org Chapter 1. Basics of Geometry 1.6 Classifying Polygons Learning Objectives Define triangle and polygon. Cla ...

1.6. Classifying Polygons http://www.ck12.org You might have also learned that the sum of the interior angles in a triangle is 1 ...

http://www.ck12.org Chapter 1. Basics of Geometry We classify each triangle by this angle. Right Triangle:When a triangle has on ...

1.6. Classifying Polygons http://www.ck12.org Isosceles Triangle:Whenat leasttwo sides of a triangle are congruent. Equilateral ...

http://www.ck12.org Chapter 1. Basics of Geometry Polygons Polygon:Any closed planar figure that is made entirely of line segmen ...

1.6. Classifying Polygons http://www.ck12.org Diagonals:Line segments that connects the vertices of a convex polygon that are no ...

http://www.ck12.org Chapter 1. Basics of Geometry Classifying Polygons Whether a polygon is convex or concave, it can always be ...

1.6. Classifying Polygons http://www.ck12.org TABLE1.2:(continued) Polygon Name Number of Sides Number of Diagonals Convex Examp ...

http://www.ck12.org Chapter 1. Basics of Geometry Example 10:Name the three polygons below by their number of sides and if it is ...

1.6. Classifying Polygons http://www.ck12.org 5. 6. Can you draw a triangle with a right angle and an obtuse angle? Why or why ...

http://www.ck12.org Chapter 1. Basics of Geometry 15. 16. Explain why the following figures are NOT polygons: How many diagonal ...

1.6. Classifying Polygons http://www.ck12.org Draw an equilateral quadrilateral that is NOT a square. Construct a right triangl ...

http://www.ck12.org Chapter 1. Basics of Geometry 1.7 Chapter 1 Review Symbol Toolbox ←→ AB, −→ AB,ABLine, ray, line segment (^6 ...

1.7. Chapter 1 Review http://www.ck12.org Sides Protractor Postulate Straight Angle Right Angle Acute Angles Obtuse Angles Perp ...

http://www.ck12.org Chapter 1. Basics of Geometry TABLE1.3:(continued) Definition Answer A line that passes through the midpoin ...

http://www.ck12.org CHAPTER 2 Reasoning and Proof Chapter Outline 2.1 Inductive Reasoning 2.2 CONDITIONALSTATEMENTS 2.3 DEDUCTIV ...

http://www.ck12.org Chapter 2. Reasoning and Proof 2.1 Inductive Reasoning Learning Objectives Recognize visual and number patt ...

2.1. Inductive Reasoning http://www.ck12.org Solution:There will be 4 dots in the bottom row of the 4thfigure. There is one more ...