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2 years ago

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

Mathematics

2 answers:

Sauron [17]2 years ago

7 0

2r and 18 your welcome señora

m_a_m_a [10]2 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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