Which of the following are appropriate units of measure for measuring the arc subtended by an angle's rays? Select all that apply. O An arc that is 1 foot long O 1/8 th of the circumference of the corresponding circle
O An arc that is 1 inch long O 1/2π th of the circumference of the corresponding circle O 1/360 th of the circumference of the corresponding circle O An arc that is 1 cm long O 1/15 th of the circumference of the corresponding circle