Question

If KJ=4 and KM= 2, find ML

Answer 1

6

Explanation:

(whole secant) * (external part) = (tangent)^2

(KL) * (KM) = KJ^2

(KM+ ML) * KM = KJ^2

(2+ ML) * 2 = 4^2

(2+ ML) * 2 =16

Divide each side by 2

(2+ ML) = 8

Subtract 2 from each side

ML = 6