The area of a circle is 121picm^2. what is the circumference
1 answer:
Step-by-step explanation:
C≈38.99
Using the formulas
A=πr2
C=2πr
Solving forC
C=2πA=2·π·121≈38.99398
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Step-by-step explanation:
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Hey there!
Let's plug these values into the formula.
1/2(7(4))
1/2(28)
14
Therefore, our area would be 14 sq cm.
I hope this helps!
Answer:
20%
Step-by-step explanation:
380/1900 were satisfied
1/5 were satisfied
1/5 = 20/100
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33 would be 30 and 89 would be 90
