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October 21, 2014

October 21, 2014

Posted by **Lily** on Thursday, January 27, 2011 at 9:48am.

- Elementary Math -
**Anonymous**, Thursday, January 27, 2011 at 10:12amI don't know what is meant by "a pattern by joining pentagons"?

A pentagon has 5 sides.

If, each side = 1,

Perimeter P = 1 + 1 + 1 + 1 + 1 = 5

Therefore, n pentagons = 5n

- Elementary Math -
**Anonymous**, Sunday, February 13, 2011 at 10:29am5ywsww

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