# Arc Length and Radius – Ultimate Guide to Find Arc Length with Radius

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# Arc Length and Sector Area

You should know these terms relating to the parts of a circle. Centre of a Circle The centre of a circle is the point that is equidistant from all points on the circle. The centre of a circle $x^2 + y^2 = 9$ is $(0,0)$.The centre of a circle \( (x-1)^2 […]