Answer:
2
Step-by-step explantion:
This isnt following by the formula but if you look at the pattern ir adds 2 every time
Make an equation:
5x+12=6x
Use the subtraction property:
x=12
The final answer is that the cost for members and nonmembers will be the same when there have been 12 classes.
A=(pi)d
158.368=3.14d
d=50.436
r=25.218
Answer: Option 'C' is correct.
Step-by-step explanation:
Since we have given that

An arc is a part of total circumference of circle and length of that arc is the measurement of linear distance.
Since we know the formula for "Length of an arc " , we get

Hence, Option 'C' is correct.