Maths crossword

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Across
  1. 4. The constant speed at which something occurs
  2. 6. The study of objects and shapes
  3. 7. A shape with 6 equal sides
  4. 8. A line at a right angle (90 degrees) to another line
Down
  1. 1. A number that can divide another number, opposite of multiples
  2. 2. A type of chart that makes use of pictorial symbols
  3. 3. A number that can be calculating a number by itself
  4. 5. Two or more lines that will never meet each other no matter how far they extend