Friday

April 18, 2014

April 18, 2014

Posted by **jo** on Sunday, January 27, 2013 at 7:24am.

sally's art project is in the shape of a circle. she wants to put a piece of glitter string around the adge of her project has a radius of 4 inches, how much string will she need?

- math -
**Reiny**, Sunday, January 27, 2013 at 9:23amperimeter of a circle = 2πr

you say that r = 4

so perimeter = 2π(4) = 8π = appr 25.1 inches

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