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How to calculate the length of an arc in a circular sector, trigonometry From the graph shown, calculate the length of the arc AB. If the video was useful to you, share, comment and subscribe, that would help us a lot to continue growing and offer better quality study materials. Remember that there are more video classes on all topics on our blog: academiainternet.wordpress.com Thank you all. Greetings. #AcademiaInternet, #sectorcircular, #lengthofarc, #Areasectorcircular