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Mathematics 5 Online
OpenStudy (highschoolmom2010):

what is the area of a regular octagon. (see attachment )

OpenStudy (highschoolmom2010):

ganeshie8 (ganeshie8):

hint : if dimensions increase by a factor of \(k\), then area increases by a factor of \(k^2\)

OpenStudy (highschoolmom2010):

so its 35(5)^2?

ganeshie8 (ganeshie8):

Yes !

OpenStudy (highschoolmom2010):

175cm^2 ah ha ty @ganeshie8 for clarifying that for me :D

ganeshie8 (ganeshie8):

noo... 35(5)^2 \(\ne\) 175 check again

ganeshie8 (ganeshie8):

35(5)^2 = 35 x 25 = ?

OpenStudy (highschoolmom2010):

875

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