Find the perimeter of the outside of the hungry circle monster below assuming the angle of its mouth is radians pi/3 and its radius is 7 inches .

1 answer

guessing a pie with a piece missing

the outside circular perimeter is 5/6 of the circumference ... 5/6 * π * 2 * 7

the inside perimeter of the mouth is 2 radii ... 2 * 7