Asked by cindy

The area of a regular octagon is 35 cm2. What is the area of a regular octagon with sides six times as long?


so do you times this by 6?
Answered by Reiny
no, the area of similar figures is proportional to the square of their sides.
So....
V/35 = (6x)^2/x^2 = 36/1
V = 35(36)
= 1260 cm^2
Answered by june
56
Answered by Doggo.
I don't know what June is talking about, but the person above, reiny, is correct. You would not do that times six, because it's each individual side times six. V/35=6x squared/xsquared = 36/1
so 35*36=1260 cmsquared

Hope that makes sense. Sorry, I don't know why this whole response was so essay-like.

- Doggo
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