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Mathematics 8 Online
OpenStudy (anonymous):

If the radius of a circle is multiplied by 5, how many times larger is the area of the new circle? 5 15 25 35

OpenStudy (anonymous):

Hint: Area is measured in *square* units.

OpenStudy (anonymous):

5?

OpenStudy (anonymous):

Yes, the radius is multiplied by 5, so what about the *square* units of area? Considering the formula for the area of a circle is \(\large A=πr^2\)

OpenStudy (anonymous):

idk

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