Answer:
16
Step-by-step explanation:
circumference of circle = 2pi radius
1. 96 divided by 3 = 32
2. 32 divided by 2 = 16
the answer is the first one
a)
Cos60=1/2=0.5
b)
cos60=4/x
0.5=4/x
0.5x=4
0.5x/0.5=4/0.5
x=8
