Interpreting a Circle Graph
Students were surveyed about their favorite kind of
frozen yogurt.
If 50 students were surveyed, how many chose
chocolate?
students
Favorite Kind of Frozen Yogurt
25%
vanilla
If 80 students were surveyed, how many chose vanilla?
40%
students
swirl
35%
chocolate

Step-by-step explanation:

25% will chose chocolate, and 5% would chose vanilla

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.