Homework Help: geometry

Posted by Carol on Friday, April 20, 2012 at 9:12am.

The deck in Alice's back yard is round. It has 5 posts evenly spaced around the edge to support a trellis. For her get together, she wants to connect each post to all the other posts with red ribbons. How many ribbons will she need.

geometry - PsyDAG, Friday, April 20, 2012 at 12:09pm
How long are the ribbons?

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