Painless geometry
Book - 2001
Explains the basic concepts of geometry with step-by-step instructions on topics such as angles, parallel and perpendicular lines, circles, quadrilaterals, and triangles.
Saved in:
- Introduction
- Chapter 1. A Painless Beginning
- Undefined Terms
- Some Defined Terms
- More Defined Terms
- Postulates
- Theorems
- Geometric Proofs
- Geometric Symbols
- Chapter 2. Angles
- Measuring Angles
- Classifying Angles
- Angle Pairs
- Angle Congruence
- Word Problems
- Chapter 3. Parallel and Perpendicular Lines
- Vertical Angles
- Perpendicular Lines
- Parallel Lines
- More on Parallel Lines
- Chapter 4. Triangles
- Interior Angles
- Exterior Angles
- Types of Triangles
- More Types of Triangles
- Perimeter of a Triangle
- Area of a Triangle
- The Pythagorean Theorem
- Chapter 5. Similar and Congruent Triangles
- Triangle Parts
- Similar Triangles
- Congruent Triangles
- Chapter 6. Quadrilaterals
- Trapezoids
- Isosceles Trapezoids
- Parallelograms
- Rhombuses
- Rectangles
- Squares
- Chapter 7. Circles
- Radius and Diameter
- Regions of a Circle
- Pi
- Circumference of a Circle
- Area of a Circle
- Degrees in a Circle
- Chords and Tangents
- Arcs
- Measuring Arcs
- Chapter 8. Perimeter, Area, and Volume
- It's a Matter of Units
- Triangles
- Rectangles
- Squares
- Parallelograms
- Trapezoids
- Rhombuses
- Regular Polygons
- Unusual Shapes
- Volume
- Rectangular Solids
- Cubes
- Cylinders
- Cones
- Spheres
- Chapter 9. Graphing
- Graphing Points
- Quadrants
- The Midpoint Formula
- The Distance Formula
- Graphing a Line by Plotting Points
- Graphing Horizontal and Vertical Lines
- The Slope
- Graphing Using Slope-Intercept
- Finding the Equation of a Line
- Two-Point Method
- Parallel and Perpendicular Lines
- Appendix. Geometry Resources on the Web
- Index