A-Level Maths - Core/Pure 1
A-Level Maths: E1-17 Trigonometry: Deriving a Formula for Arc Length in Radians
Original link
Arc Length - Formula, How to Find Length of an Arc | Arc of a Circle
Arc of a circle is a portion of its circumference. Thus, the arc length of a circle is a fraction of its circumference. If θ degrees is the central angle made by an arc of a circle, then the arc length formula is θ/360 x 2πr.
Original link
Calculating Arc Length Radians
Arc Length
2.2 Method Radians Arcs Sector Areas.Jpg Copy