### 1. Language of Plane Geometry

#### 1.3. Parallel and Intersecting Lines and Planes

Investigating Parallel Lines and Planes

#### 1.7. Reasoning in Geometry

Conditional Statement

### 2. Angles

#### 2.5. Congruent Angles and Angle Bisectors

Construct Parallel and Perpendicular Lines

Constructing Congruent Segments and Angles

#### 2.6. Pairs of Angles

Investigating Angle Theorems - Activity A

### 3. Polygons and Polyhedrons

#### 3.2. Classifying Triangles

Classifying Triangles

#### 3.3. Quadrilaterals

Classifying Quadrilaterals - Activity A

### 4. Introduction to Transformations

#### 4.2. Reflections

Reflections

#### 4.3. Translations

Translations

#### 4.4. Rotations

Rotations, Reflections and Translations

### 5. Triangles and Inequalities

#### 5.1. Isosceles and Equilateral Triangles

Isosceles and Equilateral Triangles

#### 5.2. Altitudes and Medians of Triangles

Concurrent Lines, Medians, and Altitudes

#### 5.5. Inequalities for One Triangle

Triangle Inequalities

### 6. Congruent Triangles

#### 6.1. SSS

Proving Triangles Congruent

#### 6.2. SAS

Proving Triangles Congruent

#### 6.3. ASA and AAS

Proving Triangles Congruent

#### 6.4. HL and CPCTC

Congruence in Right Triangles

#### 6.5. Proving Theorems

Conditional Statement

### 7. Parallel Lines

#### 7.4. Constructing Parallel Lines

Construct Parallel and Perpendicular Lines

#### 7.5. Interior Angle Measures of a Triangle

Triangle Angle Sum - Activity A

#### 7.6. Exterior Angle Measures of a Triangle

Triangle Angle Sum - Activity B

#### 7.7. Angle Measures of a Polygon

Polygon Angle Sum - Activity B

### 8. Properties of Quadrilaterals

#### 8.1. Properties of Parallelograms

Classifying Quadrilaterals - Activity B

#### 8.2. Properties of Rhombuses

Special Quadrilaterals

#### 8.3. Properties of Rectangles and Squares

Special Quadrilaterals

#### 8.6. Finding the Quadrilaterals that are Parallelograms

Parallelogram Conditions

#### 8.7. Finding a Pattern

Finding Patterns

### 9. Perimeter and Area

#### 9.3. Area of a Rectangle

Rectangle: Perimeter, Circumference and Area

#### 9.4. Area of a Parallelogram

Area of Parallelograms - Activity A

#### 9.5. Area of a Triangle

Area of Parallelograms - Activity B

#### 9.9. Area of a Circle

Circle: Perimeter, Circumference and Area

### 10. Similarity

#### 10.2. Proportions

Proportions and Common Multipliers

#### 10.3. Similar Figures

Similar Figures - Activity B

#### 10.4. Similar Polygons

Similar Polygons

### 12. Square Roots and Right Triangles

#### 12.1. Squares and Square Roots

Square Roots

#### 12.2. Simplifying and Approximating Square Roots

Ordering and Approximating Square Roots

#### 12.3. The Pythagorean Theorems

Pythagorean Theorem - Activity B

#### 12.8. Similar Right Triangles

Similarity in Right Triangles

### 13. Circles

#### 13.2. Inscribed Angles

Inscribing Angles

#### 13.4. Chords and Arcs

Chords and Arcs

### 14. Area and Volume of Prisms

#### 14.2. Total Area of a Prism

Surface and Lateral Area of Prisms and Cylinders

#### 14.3. Lateral Area of a Prism

Surface and Lateral Area of Prisms and Cylinders

#### 14.4. Volume of a Prism

Prisms and Cylinders - Activity A

### 15. Area and Volume of Other Space Figures

#### 15.1. Area of a Cylinder

Surface and Lateral Area of Prisms and Cylinders

#### 15.2. Volume of a Cylinder

Prisms and Cylinders - Activity B

#### 15.3. Area of Similar Figures

Perimeters and Areas of Similar Figures

#### 15.5. Area and Volume of Regular Pyramids and Cones

Pyramids and Cones - Activity B

### 16. Trigonometry

#### 16.1. Trigonometric Ratios

Sine, Cosine and Tangent

Sine and Cosine Ratios - Activity B

Tangent Ratio

#### 16.3. Applying the Trigonometric Ratios

Sine and Cosine Ratios - Activity B

### 17. The Coordinate Plane

#### 17.1. Locating Points in a Plane

Points in the Coordinate Plane - Activity A

#### 17.2. Distance and Midpoint Formulas

Distance Formula - Activity A

#### 17.3. Slope of a Line

Slope - Activity A

#### 17.5. Equations of Lines

Slope-Intercept Form of a Line - Activity A

Standard Form of a Line

#### 17.6. Graphing Systems of Equations

Solving Linear Systems by Graphing

#### 17.7. Equations of Circles

Circles

### 18. Transformations and Coordinate Geometry

#### 18.1. Translations in the Coordinate Plane

Translations

#### 18.2. Reflections in the Coordinate Plane

Reflections

#### 18.3. Rotations in the Coordinate Plane

Rotations, Reflections and Translations

#### 18.4. Dilations

Dilations