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What is the length of arc AB if measured of AOB equals 240 and the radius is 4?
Wiki User
∙ 13y ago
The equation for finding the length of an arc is S=rθ,where S is the arc length, r is the radius, and θ is the angle in radians.
Assuming you mean AOB=240 is the angle of the arc you are measuring in degrees:
θ=(pi*240)/180=4.1888rad
Therefore the arc length is 4cm*4.1888rad=16pi/3
=16.76cm
Wiki User
∙ 13y ago
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