Dr. Math Presents More Geometry: Learning Geometry is Easy! Just Ask Dr. Math

PART 1. POINTS, LINES, PLANES, ANGLES, AND THEIR RELATIONSHIPS.

1. Angle relationships and perpendicular and parallel lines.

2. Proving lines parallel.

3. The parallel postulate.

4. Coordinates and distance.

Resources on the Web.

PART 2. LOGIC AND PROOF.

1. Introduction to logic.

2. Direct proof.

3. Indirect proof.

Resources on the Web.

PART 3. TRIANGLES: PROPERTIES, CONGRUENCE, AND SIMILARITY.

1. Triangle Inequality Property.

2. Centers of triangles.

3. Isosceles and equilateral triangles.

4. Congruence in triangles-SSS, SAS, ASA, and SSA.

5. Similarity in triangles.

6. Congruence proofs.

Resources on the Web.

PART 4. QUADRILATERALS AND OTHER POLYGONS.

1. Properties of Polygons.

2. Properties of Quadrilaterals.

3. Area and Perimeter of Quadrilaterals.

Resources on the Web.

PART 5. CIRCLES AND THEIR PARTS.

1. Tangents.

2. Arcs and Angles.

3. Chords.

Resources on the Web.