Question

Find the length of arc KN.
can a genius help me??please​

Answer 1

Length KN = 2π/3 = 2.094

Explanation:

Length KN = (mKN/360)2πr

Length KN = (40/360)2π3

Length KN = (1/9)6π

Length KN = 6π/9

Length KN = 2π/3 = 2.094