Across
- 2. The point where the three altitudes of a triangle intersect.
- 4. A perpendicular segment from a vertex to the line containing the opposite side.
- 5. A triangle where all three angles are less than 90 degrees.
- 11. A triangle in which all three sides are of equal length.
- 13. The angles formed by one side of a triangle and the extension of an adjacent side.
- 14. The point where the perpendicular bisectors of the sides of a triangle intersect.
- 17. A triangle with all sides of different lengths.
- 18. The point where the angle bisectors of a triangle intersect.
- 19. The longest side of a right-angled triangle, opposite the right angle.
- 22. Triangles with the same shape but possibly different sizes.
- 24. A triangle with one angle measuring 90 degrees.
- 25. The perpendicular distance from the base to the opposite vertex.
Down
- 1. The point where the three medians of a triangle intersect.
- 3. A polygon with three edges and three vertices.
- 6. Triangles that are identical in size and shape.
- 7. A triangle with one angle measuring more than 90 degrees.
- 8. A theorem stating that in a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.
- 9. A line segment joining a vertex to the midpoint of the opposite side.
- 10. A triangle with at least two sides of equal length.
- 12. The two shorter sides of a right triangle.
- 15. Each angular point of a triangle.
- 16. The principle stating that the sum of the lengths of any two sides of a triangle is greater than the length of the remaining side.
- 20. The angles inside the triangle, which add up to 180 degrees.
- 21. A line that divides an angle into two equal parts.
- 23. The bottom side of a triangle, often referred to when calculating area.