Math project

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Across
  1. 4. A quarter of a circle.
  2. 6. A pattern fits together perfectly.
  3. 8. The shape moves with a middle point.
  4. 9. A triangle with 2 sides the same length
  5. 10. A triangle with a 90° angle.
Down
  1. 1. A triangle with sides of the same length
  2. 2. A triangle with a angle greater than 90°
  3. 3. The shape becomes bigger or smaller.
  4. 5. All angles less then 90°.
  5. 7. Mirror