Across
- 3. a portion of the circumderence of a circle
- 5. the ratio of an acute angle in a right triangle; the ratios is the measure of the adjacent side over the hypotenuse
- 6. the ratio of an acute angle in a right triangle; the ratio is the measure of the opposite side over the adjacent side
- 8. the distance from the center to any side of a regular polygon
- 9. a rule that is accpted without proof
Down
- 1. an unproven statement that is based on observations
- 2. the point of concurrency of the angle bisectors of a triangle
- 3. the perpendicular segment from a vertex of a triangle to the opposite side
- 4. a line that intersects a circle in two points
- 7. a parallelogram with four congruent sides