number 3 and maybe 4

User Generated

urycybir

Mathematics

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Explanation & Answer

Answer:

the circumference C of a circle, is given by the subsequent formula:

C = 2*3.14*R, where R is the radius of that circle. Noe, we have:

R = 18/2 = 9cm, since diameter= 2*R,

then:

C = 2*3.14*9= 56.52 cm


Anonymous
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