7-2 Floor Plans

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Across
  1. 3. the sum of all side lengths of figure
  2. 6. a drawing of the layout of the room
  3. 7. a line segment that goes through the center
Down
  1. 1. figures that have same size and shape
  2. 2. British Thermal Units
  3. 4. the amount of space inside a 3D figure
  4. 5. the amount of space inside a 2D room