Acircle has a radius of 5.4 m. what is the exact length of an arc formed by a central angle measuring 60°? enter your answer in the box. express your answer using π. here's what i have: degrees to radians: π / 180 60° · π / 180 = 60π / 180 = π / 3 π / 3 = x / 5.4 5.4π / 3 1.8π is that the correct answer?