1:00
en
CR
Pre-Alg Vocab 9-1 and 9-2 Name _________________________________
18
obtuse : an angle greater than 90
acute : an angle less than 90
right : an angle that measures 90
straight : an angle that measures 180
skew : lines that do not lie in the same plane
linesegment : a part of a line with 2 endpoints
plane : a flat surface that extends without end
parallel : lines that are in the same plane and never intersect
perpendicular : lines that meet to form right angles
point : a location in space
angle : formed by 2 rays with a common endpoint
congruent : angles with the same measure
supplementary : two angles whose sum is 180 degrees
complementary : two angles whose sum is 90 degrees
adjacent : two angles that share a common ray
ray : a part of a line with exactly one endpoint
vertical : angles that have the same measure, are opposite each other, and are formed by intersecting lines
line : a series of points that extends in opposite directions without end
Pre-Alg Vocab 9-1 and 9-2 Name _________________________________
Across:| 4. | a location in space | | 5. | a series of points that extends in opposite directions without end | | 7. | lines that are in the same plane and never intersect | | 8. | angles that have the same measure, are opposite each other, and are formed by intersecting lines | | 9. | an angle that measures 180 | | 11. | a flat surface that extends without end | | 13. | a part of a line with exactly one endpoint | | 14. | two angles whose sum is 90 degrees | | 15. | an angle less than 90 | | 16. | two angles whose sum is 180 degrees | | 18. | lines that do not lie in the same plane |
| | Down:| 1. | angles with the same measure | | 2. | lines that meet to form right angles | | 3. | formed by 2 rays with a common endpoint | | 6. | an angle greater than 90 | | 10. | two angles that share a common ray | | 12. | a part of a line with 2 endpoints | | 17. | an angle that measures 90 |
| |
© 2014
PuzzleFast.com, Noncommercial Use Only
Pre-Alg Vocab 9-1 and 9-2 Name _________________________________
Across:| 4. | a location in space | | 5. | a series of points that extends in opposite directions without end | | 7. | lines that are in the same plane and never intersect | | 8. | angles that have the same measure, are opposite each other, and are formed by intersecting lines | | 9. | an angle that measures 180 | | 11. | a flat surface that extends without end | | 13. | a part of a line with exactly one endpoint | | 14. | two angles whose sum is 90 degrees | | 15. | an angle less than 90 | | 16. | two angles whose sum is 180 degrees | | 18. | lines that do not lie in the same plane |
| | Down:| 1. | angles with the same measure | | 2. | lines that meet to form right angles | | 3. | formed by 2 rays with a common endpoint | | 6. | an angle greater than 90 | | 10. | two angles that share a common ray | | 12. | a part of a line with 2 endpoints | | 17. | an angle that measures 90 |
| |
© 2014
PuzzleFast.com, Noncommercial Use Only