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Anon25 [30]
3 years ago
6

Find the circumference. Use 3.14 for T. T=pie r = 2 m C = [?] m C= Td

Mathematics
1 answer:
vivado [14]3 years ago
3 0

Answer:

314 square centimeters

Step-by-step explanation:

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Step-by-step explanation:

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\therefore \: y =  \frac{k}{x}  \\ (k = constant \: of \: proportionality) \\   \therefore \: xy =  k...(1) \\ plug \: y = 194 \:  \: and \:  \: x =  - 13 \: in \: (1) \\ \therefore \:  - 13 \times 194=  k \\ \therefore \: k =  - 2522 \\ substituting \: k =  - 2522 \: in \: (1) \\ xy =  - 2522...(2) \\ this \: is \: equation \: of \: variation. \\ plug \: x = 50 \: in \: (2) \\ 50 \times y =  - 2522 \\  \therefore \:y =  \frac{ - 2522}{50}  \\   \huge \red{ \boxed{\therefore \:y =   - 50.44}}

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Step-by-step explanation:

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