18 mRadius -DiameterAreaircumference
1 answer:
Diameter is 18
radius is half of diameter so 9
area is radius*pi ^2 which is 88.83
circumference is diameter * pi so 18*pi = 56.55
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2.4
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Answer:
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Answer:
1)12²+9²=225
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Answer:
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Step-by-step explanation:
3n≥45
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