If angle b has measure of 30 degrees and the length of arc ac is 24 pi, what is the diameter?
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in case b is a circle centre angle than
360/30*24pi=2piR (2R=D)
12*24pi=piD
D=288
if b is an angle on the circle than (2*360)/30*24pi=piD
D=576
360/30*24pi=2piR (2R=D)
12*24pi=piD
D=288
if b is an angle on the circle than (2*360)/30*24pi=piD
D=576