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how do you find the length of an arc in a circle. L th r when th is in radians L th p 180 r when th is in degrees. You will learn how to find the arc length of a sector the angle of a sector or the radius of a circle.
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Multiply the radius by the radian measurement. The product will be the length of the arc. You will learn how to find the arc length of a sector the angle of a sector or the radius of a circle.
Look at the circle and try to figure out how you would divide it into a portion that is major and a portion that is minor.
So we need to find the fraction of the circle made by the central. The arc length is frac 1 4 of the full circumference. The measure of an arc the measure of its. You will learn how to find the arc length of a sector the angle of a sector or the radius of a circle.
