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What to know for the Chapter 11 Quiz

Definitions

• Median of a trapezoid

Postulates

• Area of a rectangle
• Congruent shapes have congruent areas
• Area of the union of polygons is the same as the sum of their individual areas

Theorems

• Area of a parallelogram (Theorem 98)
• Area of a triangle (Theorem 99)
• Area of a trapezoid (Theorem 100)
• The length of a median of a trapezoid (Theorem 101)
• Area of a trapezoid (Theorem 102)
• Area of a kite (Theorem 103)

Problem Types

• Finding areas
• Finding side, part (e.g., altitude, median, etc.) lengths based on a given area