Geometry

3. / is an arc of a circle having measure greater than or equal to the radians
7. / formed by two chords in a circle which have a common endpoint
10. angles / the angle between a side of a rectilinear figure and an adjacent side extended outward
11. / length of the adjacent side divided by the length of the hypotenuse
12. / plane figure with three straight sides and three angles
14. / never ends
16. angels / the angle between adjacent sides of a rectilinear figure
18. / a straight line that cuts a curve in two or more parts.
19. / straight segment whose endpoints both lie on the circle

1. / circles with common centers
2. / a plane figure with four equal straight sides and four right angles
4. / straight line or plane that touches a curve or curved surface at a point
5. / a plane figure with at least three straight sides and angles
6. / is an arc of a circle having measure less than or equal to the radians
8. / round plane figure, whose boundary consists of points equidistant from a fixed point
9. / is a location
13. / a parallelogram with opposite equal acute angles and opposite equal obtuse angles, and four equal sides
15. angles / each of the pairs of opposite angles made by two intersecting lines
17. / is a line with an endpoint that extends infinitely in one direction