Across
- 4. The total distance around a polygon.
- 6. A polygon with three sides and three angles.
- 7. Lines that intersect forming a 90-degree angle.
- 9. The longest side of a right triangle opposite the right angle.
Down
- 1. The set of all points in a plane that are equidistant from a fixed point.
- 2. A ray that divides an angle into two equal angles.
- 3. A perpendicular segment from a vertex to the opposite side of a triangle.
- 4. Lines that never meet, no matter how far they are extended.
- 5. A segment from a vertex to the midpoint of the opposite side.
- 8. A segment from the center of a circle to a point on the circle.