Math Crossword Unit 1

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Across
  1. 1. To give a good reason, or to explain satisfactorily.
  2. 5. triangle A triangle whose two side lengths are the same.
  3. 7. To judge or to calculate roughly or approximately.
  4. 8. To put into a desired order.
  5. 10. A four-sided shape, all four sides are the same and do not make a right angle.
  6. 11. triangle A triangle whose all side lengths are the same.
  7. 14. triangle A triangle whose all side lengths are different.
  8. 15. A four-sided shape whose all four sides are the same and form right angles.
Down
  1. 2. To make easier.
  2. 3. To find out exactly by making calculation or by collecting information.
  3. 4. A four-sided shape that has two pairs of parallel lines and form right angles.
  4. 6. A four-sided shape,two pairs of parallel lines,do not form right angles.
  5. 7. To calculate or to judge.
  6. 9. To find out by using numbers.
  7. 12. A four-sided shape with one pair of parallel lines.
  8. 13. To make certain that something is correct or true.