Across
- 6. the circle that intersects each side of a triangle at exactly one point; has no point outside the triangle
- 7. the circle that contains all three vertices of a triangle
- 8. (type of triangle) all angles are acute
- 9. the intersection point of the altitudes drawn from the vertices of the triangle to the opposite side
- 10. the point of the center of math in an object
- 14. Happening at the same time or point
- 17. (of a triangle) the center of the incircle
- 18. the exact middle point of a segment; divides the line segment into two equal halves
- 19. a perpendicular that is drawn from the vertex of a triangle to the opposite side
- 20. (type of triangle) all sides being unequal
Down
- 1. (type of triangle) one angle is more than 90°
- 2. (type of triangle) two sides are equal
- 3. a line segment joining a vertex of the triangle to the midpoint of the opposite side
- 4. a straight line that divides an angle or line into two equal parts
- 5. the point at which the three perpendicular bisectors of the sides of a triangle intersect
- 11. at equal distances
- 12. property that states a side or angle is congruent to itself
- 13. identical in shape and size
- 15. (type of triangle) all sides being equal
- 16. (type of triangle) one angle is 90°
