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