Geometry Terms

2. – a segment whose both endpoints are on the
5. – comparison of two numbers
6. angle – angle whose vertex is the
10. – equation with two ratios
12. takes up
15. proof – proof by contradiction uses indirect reasoning
17. - Diagonals are
20. – a chord thru the center of the circle (made up of two radii ; always the longest chord)
22. arc – arc whose measure is greater than

1. – the amount of 3-D space that a
3. of the circle.
4. - A quadrilateral with exactly 1 pair of parallel sides (parallel sides- bases; non-parallel-legs)
6. lines – when three or more lines intersect at a single point
7. line- intersects a circle at exactly 1 point (point of tangency)
8. – amount of flat surface covered
9. – distance around outside of a circle
10. – quadrilateral with both pair of opposite sides parallel
11. Trapezoid - Trapezoid with congruent legs
13. – arc whose measure = 180°
14. segment between the midpoints of 2 sides of a triangle
16. – point of concurrency of the angle bisectors of a triangle
18. – segment between non-consecutive vertices of a polygon
19. – segment from a vertex of a triangle that is perpendicular to the line containing the opposite side.
21. – a segment from the vertex of a triangle to the midpoint of the opposite side