Crossword puzzle

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Across
  1. 4. 0.1 read as ______.
  2. 5. A triangle with all three sides equal is called an ______ triangle.
Down
  1. 1. Lines that never meet are called ______ lines.
  2. 2. A fraction where the numerator is less than the denominator is a ______ fraction.
  3. 3. 5 - 5 is ______.