Circumference~(pi)(diameter)~28.26
Area~ (pi)(radius)squared~63.59
I believe these are right
Answer:
5 × 
Step-by-step explanation:

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Answer:
percent
Step-by-step explanation:
it has a percent sign
Please mark me brainliest
Answer:
53.54m
Step-by-step explanation:
Using the formulas
A=πr2
d=2r
Solving for d
d=2A
π=2·2251
π≈53.53562m