Lines And Angles

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Across
  1. 4. / sides are equal.
  2. 7. / total number of parts of a triangle.
  3. 8. / one angle in acute angled triangle is __________ than 90°.
  4. 9. / one angle more than 90°.
  5. 10. / sides of different length.
Down
  1. 1. / lines that do not intersect./parallel
  2. 2. / sum of lengths of sides of a triangle.
  3. 3. / sum of any two sides of a triangle is always ___________ than the third side.
  4. 5. / two sides equal.
  5. 6. / one angle is 90°.