Concept Map

Concept Map

1. 5.1

   • Quadrilateral Sum Theory: The sum or all interior angles in quadrilateral is 360
   • Pentagon Sum Theorem: The sum of the five interior angles of any pentagon is 540

2. 5.2

   • Exterior Angle Sum Conjecture: for any polygon the sum of the measures of exterior is 360

3. 5.3

   • Polygon Sum Theorem: the sum of the interior angles of an n-gon is 180(n--2)
   • Concave Quadrilateral does equal 360

4. 5.4

   • The 3 midsegments of a triangle divide it into 4 congruent triangles
     • A midsegment of a triangle is parallel to the third side and half the length of its base

5. 5.5

   • In a parallelogram the diagonals will always bisect each other and sometimes are congruent only if the parallelogram is a square

6. 5.6

   • The diagonals of a rhombus are perpendicular and they bisect each other
   • They are congruent and biect each other
   • Diagonals of a square are congruent, perpendicular, and bisect each other