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Mathematics 32 Online
OpenStudy (rz172):

help?

OpenStudy (halox156):

What do you need help with?

OpenStudy (rz172):

@1davey29

OpenStudy (halox156):

you got your radius

OpenStudy (mathmale):

Please, would you do as much as you can of each problem BEFORE asking for help. diameter = 2*radius.

OpenStudy (rz172):

I know it's pi x diameter

OpenStudy (rz172):

7 which means

OpenStudy (mathmale):

No, that's the formula for CIRCUMFERENCE.

OpenStudy (cali10th):

Mathmale, do you think you could help me with a few math problems?

OpenStudy (rz172):

49 is the answer or im confsed.

OpenStudy (rz172):

well i need to find the circumference.

OpenStudy (mathmale):

Please show your work. That way I could give you meaningful feedback. I cannot go by your answers alone.

OpenStudy (mathmale):

"I know it's pi x diameter" Yes, that's the formula for circumference.

OpenStudy (rz172):

or it could be 2xpi radius like 14 /2 = 7 and 7 x 7 = 49?

OpenStudy (1davey29):

Circumference=pi*diameter. Diameter=14. Circumference=pi*14=14 pi. 49 pi would be the area as area=pi*r^2 and r=14/2=7 -> 7^2=49. 7*2=14

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