Across
- 2. - Straight line that passes through a circle but contuines outside the circle
- 4. - A portion of the circumference of a circle
- 8. - an angle formed by two radii that meet at the exact center of a circle
- 11. - the single point where a tangent line touches a circle
- 13. - C=2πr
- 14. - a special arc that measures exactly 180 degrees representing half a circle
- 15. - a straight line that touches the circle at only one point
Down
- 1. - an arc that measures less than 180 degrees,made up of two end points
- 3. (x-h)² + (y-k)² = r²
- 5. - A line segment where both endpoints are on the circles edge
- 6. straight line that passes through center of the circle
- 7. has a center that is an equal distance from the edge
- 9. half of a circle’s diameter
- 10. - an arc that measures greater than 180 degrees named with three letters
- 12. -an angle in a circle whose vertex sits on the circumference and whose sides are chords of that circle.