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GuDViN [60]
3 years ago
5

Help pls and explain how you got your answer pls!!!

Mathematics
2 answers:
Sauron [17]3 years ago
7 0
2r and 18 your welcome señora
m_a_m_a [10]3 years ago
4 0
C = 2π×r
C =2π×7
C = 14π cm


7) C = 2π r

18π = 2π r

r = 9
diameter = 2r
diameter = 18 inches
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