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Eva8 [605]
3 years ago
9

how to calculate surface area of a donut shape, that is 1 inch wide, has a outer radius of 2.5 and a inner radius of 1.5

Mathematics
1 answer:
stiv31 [10]3 years ago
8 0
Speed is 250 or 4.5=55.55555
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Step-by-step explanation:

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