Across
- 1. two angles whose sum is 180
- 3. a quadrilateral with 2 pairs of parallel lines
- 4. a triangle with one angle equal to 90 degrees
- 5. angles that are equal in measure
- 6. a part of a line that has a fixed starting point but no endpoint
- 9. a triangle with one angle greater than 90 degrees
- 10. lines that intersect and form a 90 degree angle
Down
- 1. a triangle with no sides equal in measure
- 2. an angle whose measure equals 180
- 5. a round plane figure of points equidistant from a point
- 7. Two or more lines that lie in the same plane and never intersect each other
- 8. two angles whose sum is 90