This resource is adapted from [url=https://www.geogebra.org/m/grs9aHHt]Pedro's String (1)[/url] which has a Spanish language version [url=https://www.geogebra.org/m/XZURHA26]La Cuerda de Pedro (1)[/url]. Similar resources are [url=https://www.geogebra.org/m/SMFDCk6F]Pedro's String (2)[/url] and [url=https://www.geogebra.org/m/KmZFcUqK]La Cuerda de Pedro (2)[/url].[br][br]Contact us at [url=mailto:ptierneyfife@edc.org]ptierneyfife@edc.org[/url] if this resource should be updated, or with questions or suggestions. We appreciate your help maintaining the quality of this resource.