2017-12-29/ HOMAGE/ POST A COMMENT María Rocío Ferri The vertices can represent boundaries and the edges connections. Graphs teach about life. https://verasmathematicworld.org/wordpress/wp-content/uploads/29.mp4 Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Please enter an answer in digits:nineteen + 19 =