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Step2247 [10]
3 years ago
11

Help please I'll give a brainliest!!!

Mathematics
2 answers:
ahrayia [7]3 years ago
6 0
C = 2 * pi * r
C = 2 * pi * 18
C = 36pi or C
Airida [17]3 years ago
3 0
A=2πr in this case, r=18in

A=36π in.
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