Geometry

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Across
  1. 2. Connecting the center of a circle and the circumference of a circle
  2. 5. 7 sides
  3. 7. The point in the center of the circle
  4. 8. A line that passes through the center of a circle to connect two points on the circumference of the circle
Down
  1. 1. The border is a circle shape
  2. 3. Geometry software
  3. 4. Two lines meet
  4. 6. Number of types of grid paper