Because if you ask one student from each class you are getting a more accurate representation of the classes. If you were to ask one group you'd only get their opinion
angles must add up to 180
so 34+62+83
but 34+62+83=179
and that is less than 180
so no it is not possible
Answer:
D
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer:
19
Step-by-step explanation:
5 times 3 is 14 plus 4 is 19