math
posted by mavis on .
A circular arc has measure 22ft and is intercepted by a central angle of 27 degrees . Find the radius of the circle.

2πr/22 = 360/27
r = 22(360)/(54π) = 46.69 ft
check:
circum = 2π(46.69) = 293.3333
arc = (27/360)(293.3333 = 22