Geometry

This correlation lists the recommended Gizmos for this textbook. Click any Gizmo title below for more information.

1. Lines and Angles

1.3. Distance and Midpoints

Distance Formula - Activity A

1.5. Angle Relationships

Investigating Angle Theorems - Activity B

2. Reasoning and Proof

2.1. Inductive Reasoning and Conjecture

Finding Patterns

2.3. Conditional Statements

Conditional Statement

2.6. Algebraic Proof

Solving Two-Step Equations

2.8. Proving Angle Relationships

Investigating Angle Theorems - Activity A

3. Parallel and Perpendicular Lines

3.2. Angles and Parallel Lines

Investigating Angle Theorems - Activity B

3.3. Slopes of Lines

Slope - Activity A

Slope-Intercept Form of a Line - Activity B

3.4. Equations of Lines

Point-Slope Form of a Line - Activity A

Slope-Intercept Form of a Line - Activity B

3.5. Proving Lines Parallel

Parallelogram Conditions

4. Congruent Triangles

4.1. Classifying Triangles

Classifying Triangles

Isosceles and Equilateral Triangles

4.2. Angles of Triangles

Triangle Angle Sum - Activity B

4.3. Congruent Triangles

Proving Triangles Congruent

4.4. Proving Congruence - SSS, SAS

Proving Triangles Congruent

4.5. Proving Congruence - ASA, AAS

Proving Triangles Congruent

4.6. Isosceles Triangles

Isosceles and Equilateral Triangles

4.7. Triangles and Coordinate Proof

Distance Formula - Activity A

5. Relationships in Triangles

5.1. Bisectors, Medians, and Altitudes

Concurrent Lines, Medians, and Altitudes

5.4. The Triangle Inequality

Triangle Inequalities

6. Proportions and Similarity

6.1. Proportion

Beam to Moon (Ratios and Proportions)

Estimating Population Size

6.2. Similar Polygons

Similar Polygons

Perimeters and Areas of Similar Figures

6.5. Parts of Similar Triangles

Similarity in Right Triangles

7. Right Triangles and Trigonometry

7.1. Geometric Mean

Similarity in Right Triangles

7.2. The Pythagorean Theorem and Its Converse

Pythagorean Theorem - Activity B

7.4. Trigonometry

Sine and Cosine Ratios - Activity B

Tangent Ratio

Sine, Cosine and Tangent

8. Quadrilaterals

8.1. Angles of Polygons

Polygon Angle Sum - Activity B

8.2. Parallelograms

Parallelogram Conditions

8.3. Tests for Parallelograms

Parallelogram Conditions

8.4. Rectangles

Special Quadrilaterals

8.5. Rhombi and Squares

Special Quadrilaterals

9. Transformations

9.1. Reflections

Reflections

9.2. Translations

Translations

9.3. Rotations

Rotations, Reflections and Translations

9.5. Dilations

Dilations

9.6. Vectors

Adding Vectors

Vectors

9.7. Transformations with Matrices

Translations

10. Circles

10.3. Arcs and Chords

Chords and Arcs

10.4. Inscribed Angles

Inscribing Angles

10.8. Equations of Circles

Circles

11. Area and Volume

11.1. Areas of Parallelograms

Area of Parallelograms - Activity B

11.2. Areas of Triangles, Trapezoids, and Rhombi

Area of Parallelograms - Activity B

11.3. Areas of Regular Polygons and Circles

Circle: Perimeter, Circumference and Area

11.5. Geometric Probability

Geometric Probability - Activity A

12. Surface Area

12.2. Nets and Surface Area

Surface and Lateral Area of Prisms and Cylinders

Surface and Lateral Area of Pyramids and Cones

12.3. Surface Areas of Prisms

Surface and Lateral Area of Prisms and Cylinders

12.4. Surface Areas of Cylinders

Surface and Lateral Area of Prisms and Cylinders

12.5. Surface Areas of Pyramids

Surface and Lateral Area of Pyramids and Cones

12.6. Surface Areas of Cones

Surface and Lateral Area of Pyramids and Cones

13. Volume

13.1. Volumes of Prisms and Cylinders

Prisms and Cylinders - Activity A

13.2. Volumes of Pyramids and Cones

Pyramids and Cones - Activity B

13.5. Coordinates in Space

Vectors

Content correlation last revised: 6/24/2008