Asked by valerie
                a sector of a circle of radius 7cm subtends angle 70 degrees at the center, calculate the length of an arc 
            
            
        Answers
                    Answered by
            oobleck
            
    since a whole circle is 360°, that would be
(70/360) * 2πr
now just plug in your radius
    
(70/360) * 2πr
now just plug in your radius
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