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Mathematics 8 Online
myabell:

Can someone help me work below

myabell:

XxXNessalulbaddieXxX:

i think i can help, what do u think goes where and then i will tell u whats right and whats wrongggg

Extrinix:

The equation of a circle is: \(C=2\pi r^2\) So I don't understand how we do this, because if we did `radius: 3 units` it would just give us something like this: \(C=2\pi (3)^2\) Which in theory would give us: \(C=56.5\) But that's not an answer choice.

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