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Mathematics 7 Online
OpenStudy (anonymous):

A mountain bike has 26-inch-diameter wheels. Find the area of each wheel. Round to the nearest whole number.

Directrix (directrix):

Do you know the formula for area of a circle? If so, we can start there to work the problem.

OpenStudy (anonymous):

A= pi times radius squared

Directrix (directrix):

OpenStudy values the Learning process - not the ‘Give you an answer’ process •Don’t post only answers - guide the asker to a solution. http://openstudy.com/code-of-conduct @davester248

OpenStudy (anonymous):

I did not solve the problem, just the universal formula.

OpenStudy (anonymous):

Hey, I forget formulas too. Thanks anyways

OpenStudy (anonymous):

No I don't remember the formula

OpenStudy (anonymous):

I don't know what the radius is

OpenStudy (anonymous):

I gave it to you on the 3rd response haha

OpenStudy (anonymous):

The radius of a circle is half the diameter, always :)

OpenStudy (anonymous):

oh

OpenStudy (anonymous):

Yep

OpenStudy (anonymous):

That mean 40.82 is the answer right?

OpenStudy (anonymous):

I'm afraid not, plug it into your equation. A(area) = (3.14)13^2 to get our answer

OpenStudy (anonymous):

oooooh ok I got it thanks it's 531

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