Geometry Vocab

3. An angle inside a shape
6. 2 angles that have the same vertex and a common ray but no interior points in common
8. angles that have the exact same measurement
10. The distance around a circle; the perimeter of a circle
11. A line segment with one endpoint at the center of a circle and its other endpoint on the circle
12. Pair- A pair of adjacent angles formed by intersecting lines
13. A line segment that joins two nonadjacent vertices of a polygon.
14. Two acute angles that add up to give a right angle, 90°

1. congruent angles that form opposite each other when two lines intersect
2. The plane figure obtained by the intersection of a solid by a plane.
4. Two angles that add up to give a straight angle, 180°
5. ratio of a circle's circumference to its diameter
7. A straight line going through the center of a circle connecting two points on the circumference
9. Describes a geometric figure in which all the sides are of equal length