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Mathematics 18 Online
OpenStudy (peachy1):

am i right?

Mehek (mehek14):

Formula = \[2\pi r\]

OpenStudy (monkeydiver314):

The formula for circumference of a circle is \(2\pi r\), we know that r is 24 from the picture, so 2*24 = 48, and 48*\(\pi\) = ?

OpenStudy (peachy1):

96?

Mehek (mehek14):

\(2\pi r = 2*3.14*24\)

OpenStudy (peachy1):

150.72

Mehek (mehek14):

which is rounded to

OpenStudy (batman*):

no you're left.

OpenStudy (peachy1):

?

Mehek (mehek14):

what is 150.72 rounded to?

OpenStudy (peachy1):

the nearest tenth?

Mehek (mehek14):

nope unit so no decimals

OpenStudy (peachy1):

how do i do that

Mehek (mehek14):

look at the number before 0 7 is greater than 5 right so round 1 up 151

OpenStudy (peachy1):

okay

OpenStudy (peachy1):

and the answer is D

Mehek (mehek14):

Yep

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