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Mathematics 8 Online
OpenStudy (camerongirl2019):

If the diameter of a circle is 142.8 millimeters, then what is the radius?

OpenStudy (susanna):

the diameter is radius times 2.

OpenStudy (susanna):

so radius is diameter divided by 2

OpenStudy (susanna):

\[142.8\div2\]

OpenStudy (camerongirl2019):

what would the radius be? That's where I'm getting stuck like how to set it up

OpenStudy (anonymous):

r = d/2 if you want to use an equation. @Susanna is correct. Divide the diameter by 2 to get the radius.

OpenStudy (camerongirl2019):

okay thank you

OpenStudy (anonymous):

Always keep in mind that radius is half of diameter

OpenStudy (anonymous):

Btw,\[\huge{Welcome~To~OpenStudy!!!}\] @Cameongirl2019

OpenStudy (anonymous):

@Camerongirl2019

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