A sector has a radius of 12 cm. and an angle of 65º. To the nearest tenth of a cm., find its arc length.

Question

how can i slove this. I need an explainatio as to ehy th answer is 13.6

Answer 1

sekter av serkel, rad=12 & angel=65 deg

ark leng=13.613568

rim-leng=distans around werkel=r*(2pi) =2*12*3.14159 26535 89793 23846 26433 83...

=24pi=75.39822368615503

sekter leng=(65 deg/360deg)*75.3982236...

65/360=0.180555555555555555...13.6135681655577

=