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what is the formula to find the arc length of a sector. In a circle if the arc length of Arc AB is 18 cm and the measure of Arc AB is 39 then find the radius of the circle. Take 314 and round your answer to one decimal place if necessary Solution.
Finding Arc Length Of A Circle Easiest Way Ever Math About Me Math For Kids Study Help from www.pinterest.com
Given the circumference C C of a circle the radius r r is. But know that you can figure it out if you have the central angle. In order to find the area of an arc sector we use the formula.
Arc Length Formula if th is in degrees s 2 p r th360 Arc Length Formula if th is in radians s ϴ r.
You only need to know arc length or the central angle in degrees or radians.
