math vocab

2. two angles that share a common vertex and a common side
5. An angle that measures less than 90degrees
8. Two angels whose measure add up to 180degrees
9. the difference between the biggest and the smallest value in the data set
10. the likelihood that an event will occur
12. a type of sampling were all of the population has an equal opportunity to be surveyed
15. A type of triangle with all congruent side lengths

1. Two non adjacent angles that share a common vertex
3. an angle with a measure greater than 90
4. a small portion of the overall population
6. the number found when the sum of two or more values in a data set are divided by the total number of values
7. two angles whose measures add up to 90
11. a type of triangle with no congruent side lengths
13. the middle value in an ordered data set
14. an angle that measures exactly 90