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Mathematics 20 Online
OpenStudy (anonymous):

Find the perimeter of the larger pentagon if the two pentagons are similar?

OpenStudy (timmyk14):

I assume you'll be posting a picture?

OpenStudy (anonymous):

Nice deducing Tim ^-^

OpenStudy (anonymous):

|dw:1415755166882:dw|

OpenStudy (anonymous):

anyone? help plz!

OpenStudy (timmyk14):

Okay, so the bottom increased by 6. In other words it dilated by 6. Therefor the other sides need to match this change, since the two figures are similar. |dw:1415755488067:dw|

OpenStudy (timmyk14):

So, if one side increases by 6, then the other sides must do the same. Does that make any since?

OpenStudy (anonymous):

okay let me explain ! so since one side is 21 then for the other one it would be 27 ?

OpenStudy (timmyk14):

Yes, because the two figures are identical. You can't increase the size of one side of the figure and leave the other figure the same; they would no longer be identical. So this is the answer...|dw:1415756193282:dw|

OpenStudy (anonymous):

yeah i got the same thing thank you so muchhhh !

OpenStudy (timmyk14):

No problem! Medal please?

OpenStudy (timmyk14):

You can close the question now. If you have any more questions you can post them as a new question and tag me in them. I'll see if I can help you :)

OpenStudy (anonymous):

how do i close the question ?

OpenStudy (timmyk14):

At the top of the question there is a button you can press that reads: Close Question. Press it and the question will then be closed.

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