Section 7.4: Similar Triangles

7.4 Outline

  1. Definition
    1. corresponding angles
    2. corresponding sides
  2. Similar triangle theorem
    1. proportional sides
    2. primary ratios
  3. Right triangle
    1. hypotenuse
    2. adjacent side
    3. opposite side


7.4 Essential Ideas

Two triangles are similar if two angles of one triangle are equal to two angles of the other triangle. If the triangles are similar, then their corresponding sides are proportional.