Geometry Terms

1. A segment within the circle whose endpoints are on the circle.
3. A quadrilateral with one pair of parallel sides.
5. A parallelogram containing four right angles
9. A two-dimensional pattern that you can fold to form a three-dimensional figure.
10. The distance around a circle.
12. The statement that two ratios are equal.
13. A measure of the space a figure occupies.
14. The point on a circle where a line, ray, or segment intersects a circle at exactly one point.
15. A parallelogram where all sides are congruent
17. A line that intersects two coplanar lines in two points.
20. The segment connecting the midpoint of two sides of the triangle. Is parallel to and half the length of the third side.
21. Angle An angle whose vertex is the center of the circle.

1. An abbreviation for "Corresponding parts of congruent triangles are congruent".
2. A parallelogram with four all sides equal length and all angles equaling 90 degrees
4. A quadrilateral with opposite sides that are parallel.
6. Adjacent/Hypotenuse
7. Opposite/Adjacent-
8. Opposite/Hypotenuse
11. A trapezoid whose legs are congruent.
14. A three-dimensional figure whose faces, or surfaces are polygons.
16. When shapes are the same figure but different sizes. They have congruent angels and proportional sides.
18. Area The sum of the lateral area and the areas of the bases.
19. A quadrilateral with no parallel sides and the constructive sides are congruent