31 PARALLEL LINES AND PLANES

1
3-1 PARALLEL LINES AND PLANES

• Define
• Parallel lines
• Transversal
• Skew lines
• Interior angles
• Exterior angles

6. Alternate interior angles 7. Alternate
exterior angles 8. Corresponding angles
2

• B. Postulate 10

3
3-2 THEOREMS ABOUT PARALLEL PLANES

• Define parallel planes
• Theorems
• 3-1
• 3-2

4
3-3 CONVERSE

• Define
• Conditional
• Hypothesis
• Conclusion
• Converse
• Postulate

5

• C. Theorems
• 3-3
• 3-4
• 3-5
• 3-6

6
3-4 THE TRIANGLE

• Define
• Isosceles 6. Equiangular
• Equilateral
• Acute
• Obtuse
• Right

7

• B. Triangles

8
3-5 THE ANGLES OF A TRIANGLE

• Define Auxiliary Line
• Theorem 3-7

9
3-6 COROLLARIES

• Define Corollary
• Corollaries
• 1. 3.
• 2. 4.
• Theorem 3-8

10
3-7 POLYGONS

• Define
• Polygon 6. diagonal
• Vertex 7. Regular polygon
• Convex
• Consecutive vertices
• Consecutive sides

11
B. POLYGON CHART
12
3-8 THE ANGLES OF A POLYGON

• Sum of the measures the interior angles of a
  polygon of n sides is (n - 2) 180.
• Sum of the measures the exterior angles of a
  convex polygon is 360.