Chapter 1

Reasoning In Geometry

 Check for Understanding p.7 Exercises p.8 Check for Understanding p.15 Exercises p.16 Quiz 1 p.17 Check for Understanding p.20 Exercises p.21 Check for Understanding p.26 Exercises p.27 Quiz 2 p.28 Check for Understanding p.32 Exercises p.33 1.6 A Plan for Problem Solving Check for Understanding p.38 Exercises p.39 Study Guide and Assessment p.42 Test p.45 Preparing for Standardized Tests p.47

Chapter 2

Segment Measure And Coordinate Graphing

 2.1 Real Numbers and Number Lines Check for Understanding p.53 Exercises p.54 2.2 Segments and Properties of Real Numbers Check for Understanding p.59 Exercises p.59 Quiz 1 p.61 2.3 Congruent Segments Check for Understanding p.65 Exercises p.66 2.4 The Coordinate Plane Exercises p.71 Check for Understanding p.71 Quiz 2 p.73 2.5 Midpoints Check for Understanding p.79 Exercises p.80 Study Guide and Assessment p.82 Test p.85 Preparing for Standardized Tests p.87

Chapter 3

Angles

 3.1 Angles Check for Understanding p.92 Exercises p.93 3.2 Angle Measure Check for Understanding p.100 3.3 The Angle Addition Postulate Check for Understanding p.108 Exercises p.108 3.4 Adjacent Angles and Linear Pairs of Angles Check for Understanding p.112 Exercises p.113 Quiz 1 p.114 3.5 Complementary and Supplementary Angles Check for Understanding p.119 Exercises p.120 3.6 Congruent Angles Check for Understanding p.125 Exercises p.126 Quiz 2 p.127 3.7 Perpendicular Lines Check for Understanding p.131 132 p.132 Study Guide and Assessment p.134 Test p.137 Preparing for Standardized Tests p.139

Chapter 4

Parallels

 4.1 Parallel Lines and Planes Check for Understanding p.144 Exercises p.145 4.2 Parallel Lines and Transversals Check for Understanding p.151 Exercises p.152 4.3 Transversals and Corresponding Angles Check for Understanding p.158 Exercises p.159 Quiz 1 p.161 4.4 Proving Lines Parallel Check for Understanding p.165 Exercises p.166 4.5 Slope Check for Understanding p.171 Exercises p.172 Quiz 2 p.173 4.6 Equations of Lines Check for Understanding p.177 Exercises p.178 Study Guide and Assessment p.180 Test p.183 Preparing for Standardized Tests p.185

Chapter 5

Triangles And Congruence

 5.1 Classifying Triangles Check for Understanding p.190 Exercises p.191 5.2 Angles of a Triangle Exercises p.196 Check for Understanding p.196 5.3 Geometry in Motion Check for Understanding p.200 Exercises p.201 Quiz 1 p.202 5.4 Congruent Triangles Check for Understanding p.205 Exercises p.206 5.5 SSS and SAS Check for Understanding p.212 Exercises p.213 Quiz 2 p.214 5.6 ASA and AAS Check for Understanding p.217 Exercises p.218 Study Guide and Assessment p.220 Test p.223 Preparing for Standardized Tests p.225

Chapter 6

 6.1 Medians Excercises p.231 Check for Understanding p.231 6.2 Altitudes and Perpendicular Bisectors Check for Understanding p.237 Exercises p.238 6.3 Angle Bisectors of Triangles Check for Understanding p.242 Exercises p.242 Quiz 1 p.243 6.4 Isosceles Triangles Exercises p.249 Check for Understanding p.249 6.5 Right Triangles Check for Understanding p.253 Exercises p.254 6.6 The Pythagorean Theorem Check for Understanding p.259 Exercises p.260 6.7 Distance on the Coordinate Plane Check for Understanding p.265 Exercises p.266 Quiz 2 p.267 Study Guide and Assessment p.268 Test p.271 Preparing for Standardized Tests p.273

Chapter 7

Triangle Inequalities

 7.1 Segments, Angles, and Inequalities Check for Understanding p.280 Exercises p.280 7.2 Exterior Angle Theorem Check for Understanding p.285 Exercises p.286 7.3 Inequalities Within a Triangle Check for Understanding p.292 Exercises p.293 Quiz p.295 7.4 Triangle Inequality Theorem Check for Understanding p.298 Exercises p.299 Study Guide and Assessment p.302 Test p.305 Preparing for Standardized Tests p.307

Chapter 8

 8.1 Quadrilaterals Check for Understanding p.313 Exercises p.314 8.2 Parallelograms Check for Understanding p.319 Exercises p.320 Quiz 1 p.321 8.3 Tests for Parallelograms Check for Understanding p.324 Exercises p.325 8.4 Rectangles, Rhombi, and Squares Check for Understanding p.330 Exercises p.330 Quiz 2 p.332 8.5 Trapezoids Check for Understanding p.336 Exercises p.337 Study Guide and Assessment p.342 Test p.345 Preparing for Standardized Tests p.347

Chapter 9

Proportions And Similarity

 9.1 Using Ratios and Proportions Check for Understanding p.352 Exercises p.353 9.2 Similar Polygons Check for Understanding p.359 Exercises p.359 Quiz 1 p.361 9.3 Similar Triangles Check for Understanding p.365 Exercises p.366 9.4 Proportional Parts and Triangles Exercises p.372 Check for Understanding p.372 9.5 Triangles and Parallel Lines Check for Understanding p.376 Exercises p.377 9.6 Proportional Parts and Parallel Lines Check for Understanding p.384 Exercises p.386 Quiz 2 p.387 9.7 Perimeters and Similarity Check for Understanding p.391 Exercises p.392 Study Guide and Assessment p.394 Test p.397 Preparing for Standardized Tests p.399

Chapter 10

Polygons And Area

 10.1 Naming Polygons Check for Understanding p.404 Exercises p.405 10.2 Diagonals and Angle Measure Check for Understanding p.411 Exercises p.411 10.3 Areas of Polygons Exercises p.416 Check for Understanding p.416 Quiz 1 p.418 10.4 Areas of Triangles and Trapezoids Check for Understanding p.422 Exercises p.423 10.5 Areas of Regular Polygons Check for Understanding p.428 Exercises p.429 10.6 Symmetry Check for Understanding p.436 Exercises p.437 Quiz 2 p.439 10.7 Tessellations Check for Understanding p.441 Exercises p.442 Study Guide and Assessment p.446 Test p.449 Preparing for Standardized Tests p.451

Chapter 11

Circles

 11.1 Parts of a Circle Check for Understanding p.456 Exercises p.457 11.2 Arcs and Central Angles Check for Understanding p.465 Exercises p.466 Quiz 1 p.467 11.3 Arcs and Chords Check for Understanding p.471 Exercises p.472 11.4 Inscribed Polygons Exercises p.476 Check for Understanding p.476 11.5 Circumference of a Circle Check for Understanding p.480 Exercises p.481 Quiz 2 p.482 11.6 Area of a Circle Check for Understanding p.485 Exercises p.486 Study Guide and Assessment p.488 Test p.491 Preparing for Standardized Tests p.493

Chapter 12

Surface Area And Volume

 12.1 Solid Figures Check for Understanding p.498 Exercises p.499 12.2 Surface Areas of Prisms and Cylinders Exercises p.508 Check for Understanding p.508 12.3 Volumes of Prisms and Cylinders Exercises p.513 Check for Understanding p.513 Quiz 1 p.515 12.4 Surface Areas of Pyramids and Cones Check for Understanding p.520 Exercises p.520 12.5 Volumes of Pyramids and Cones Check for Understanding p.525 Exercises p.525 Quiz 2 p.527 12.6 Spheres Check for Understanding p.531 Exercises p.531 12.7 Similarity of Solid Figures Check for Understanding p.537 Exercises p.538 Study Guide and Assessment p.540 Test p.543 Preparing for Standardized Tests p.545

Chapter 13

Right Triangles And Trigonometry

 13.1 Simplifying Square Roots Exercises p.552 Check for Understanding p.552 13.2 45-45-90 Triangles Check for Understanding p.556 Exercises p.557 Quiz 1 p.558 13.3 30-60-90 Triangles Exercises p.562 Check for Understanding p.562 13.4 Tangent Ratio Check for Understanding p.567 Exercises p.568 Quiz 2 p.569 Check for Understanding p.575 13.5 Sine and Cosine Ratios Exercises p.576 Study Guide and Assessment p.578 Test p.581 Preparing for Standardized Tests p.583

Chapter 14

Circle Relationships

 14.1 Inscribed Angles Check for Understanding p.589 Exercises p.590 14.2 Tangents to a Circle Check for Understanding p.595 Exercises p.596 14.3 Secant Angles Check for Understanding p.603 Exercises p.604 Quiz 1 p.605 14.4 Secant-Tangent Angles Check for Understanding p.609 Exercises p.611 14.5 Segment Measures Check for Understanding p.615 Exercises p.616 Quiz 2 p.617 14.6 Equations of Circles Check for Understanding p.620 Exercises p.621 Study Guide and Assessment p.624 Test p.627 Preparing for Standardized Tests p.629

Chapter 15

Formalizing Proof

 15.1 Logic and Truth Tables Check for Understanding p.636 Exercises p.636 15.2 Deductive Reasoning Check for Understanding p.640 Exercises p.641 15.3 Paragraph Proofs Exercises p.646 Check for Understanding p.646 Quiz 1 p.648 15.4 Preparing for Two-Column Proofs Check for Understanding p.651 Exercises p.652 15.5 Two-Column Proofs Check for Understanding p.656 Exercises p.657 Quiz 2 p.659 15.6 Coordinate Proofs Check for Understanding p.663 Study Guide and Assessment p.668 Test p.671 Preparing for Standardized Tests p.673

Chapter 16

More Coordinate Graphing And Transformations

 16.1 Solving Systems of Equations by Graphing Check for Understanding p.678 Exercises p.679 16.2 Solving Systems of Equations by Using Algebra Exercises p.684 Check for Understanding p.684 Quiz 1 p.686 16.3 Translations Check for Understanding p.688 Exercises p.689 16.4 Reflections Check for Understanding p.694 Exercises p.695 16.5 Rotations Check for Understanding p.700 Excercises p.701 Quiz 2 p.702 16.6 Dilations Check for Understanding p.704 Exercises p.705 Study Guide and Assessment p.710 Test p.713 Preparing for Standardized Tests p.715