Geometry

4. angle whose measure is 180 degrees
7. Set of all points
10. two lines are parallel if they are coplanar and do not intersect.
13. a logical argument in which each statement you make is supported by a statement that is accepted as true.
14. set of points which has infinite length but no width or height. A line is named by a lower case letteror by any two points on the line
15. set of points that has infinite length and width but no height. We name a plane with a capital funny font letter.

1. angle whose measure is 90 degrees.
2. the non-adjacent angles formed by two intersecting lines.
3. triangle with at least two sides congruent.
5. An arc is a curve You can describe the bend of a rainbow as an arc.
6. quadrilateral with both pairs of opposite sides parallel.
8. is the part of a line that contains an endpoint and all points extending in the other direction.
9. the non-adjacent angles formed by two intersecting lines.
11. of a segment a point that divides the segment into two congruent segments.
12. has no size length width, or height. It is represented by a dot and named by a capital letter