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Cloud [144]
3 years ago
15

HELP!!! NO LINKS PLEASE!!!

Mathematics
1 answer:
Anna11 [10]3 years ago
3 0

Step-by-step explanation:

a) (i) length = 2(pi)r = 2(3.14)(.5 m) = 3.14 m

(ii)3.14 m × ($4.70/m) = $14.76

b) A = (pi)r^2 = (3.14)(18 m)^2 = 1017.9 m^2

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