Download 7.5 Relationship between angles + pie charts

7.5 Relationship between
angles + pie charts
Obj: To solve pie chart problems
A
N/A
20% football
o
B
D
C
30% soccer
15% field hockey
% of 600 students
What % were N/A
20 + 15 + 30 + x = 100
65 + x = 100
-65
x = 35%
Ex. 1:
Find the number of students that
prefer field hockey
600 x .15 = 90 students
Ex. 2:
Find the m  AOC
MAOC = 20% + 15% = 35%
.35 x 360 = 126
Circle is 360
# of juniors in math
20 NA
60(im3)
40(geometry)
80( alg. II)
200 total students
Ex. 3:
What % of students are in algebraII
& geometry?
Part
Whole
Is
or
Of
120
200
= 60%