Homework Help: math

Posted by miah on Thursday, January 7, 2010 at 10:29pm.

a stop sign has the shape of and octagon with each side measuring 0.5ft. to make a scale model to the sign, every dimesion is multiplied by 1/20. how is the ratio of th areas related to the ratio of the corrsesponding dimensions? what is the ratio of the ares?

math - drwls, Friday, January 8, 2010 at 2:14am
The ratio of the areas is (1/20)^2 = 1/400 if ANY figure is reduced in its linear dimesnions by 1/20.

It does not matter if it is an octagon or a triangle

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