<P> A practical way to determine the length of an arc in a circle is to plot two lines from the arc 's endpoints to the center of the circle , measure the angle where the two lines meet the center , then solve for L by cross-multiplying the statement : </P>
<P> A practical way to determine the length of an arc in a circle is to plot two lines from the arc 's endpoints to the center of the circle , measure the angle where the two lines meet the center , then solve for L by cross-multiplying the statement : </P>
the two points that mark the end of an arc
the two points that mark the end of an arc
endpoints
endpoints