C = 2πr
r = radius
c = circumference = 18
Plug in the corresponding numbers with variables.
18 = 2πr
Isolate the r. Divide 2 and π from both sides
(18)/2π = (2πr)/2π
9/π = r
C/π = r is your formula to finding r.
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Answer:
-3
Step-by-step explanation:
Answer:
Sanjaya is making a punch. He uses 1/3 c of pineapple juice for every 3/4 c of orange juice. How many cups of pineapple juice does he need if he uses 3 c of orange juice? Show your work.