Answer: C≈62.83ft
Step-by-step explanation:
simply take your radius and times it by 2 and you get 20. then times twenty by pi.
The quickest way to get the series is if you already know the series for sine:
Then just multiply the series by 
to get
The first four nonzero terms are simply the first four terms:
Answer:
20 m
Step-by-step explanation:
The width is half the length, and the perimeter is the sum of the lengths of all sides. We can write the equation of the perimeter as ...
... 60 m = L + L/2 + L + L/2
... 60 m = 3L . . . . . collect terms
... 20 m = L . . . . . . divide by 3
