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length of arc formula maths. Instead of having two formulas for the arc length of a function we are going to reduce it in part to a single formula. Remember the circumference of a circle pi d and the diameter 2 times text radius.
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A circle is 360 all the way around. Arc length 2pr th360. Instead of having two formulas for the arc length of a function we are going to reduce it in part to a single formula.
The lower case L in the front is short for length.
The length of an arc depends on the radius of a circle and the central angle th. Substituting in the circumference and with a being the same angle measured in degrees since th a 180 p the arc length equals. It is any portion of the circumference of a circle of any length. To 1 we will get arc length multiplied by 1 or.
