The 12 children selected in Mrs. Smith's kindergarten class.
Step-by-step explanation:
A sample is a representative part of a population on which a research is carried out.
The study In Mrs Smith's class was to find out the number of hours the children in Kindergarten Sleep in a day. Out of the total number of students, 12 were selected for observation. The 12 childen selected is therefore a sample of the class.
An angle bisector is basically a bisector that divides an angle into two congruent parts. So, since one part of the angle is 61°, then the other part of the angle is also 61° by the definition of an angle bisector. The answer is C) Definition of Bisect. Hope this helps and have a great day!
