Chapter 7: Area

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Across
  1. 2. A quadrilateral with one pair of parallel sides.
  2. 3. A closed plane figure with more than three sides.
  3. 4. A method of finding the area of a complex figure by dividing it into triangles.
  4. 5. A measure of the boundary of a figure that cannot represent its area.
Down
  1. 1. A four-sided figure with both pairs of opposite sides parallel.
  2. 6. The quadrilateral whose area is half the product of its diagonals.
  3. 7. The area of this shape is given by 1/2 × base × height.