Respuesta :

A secant line intersects a curve at least two distinct points

The length of PJ is 21

The given parameters are:

PL = 6

LK = 8

PM = 4

Because the lines are secants, it means that:

PL * PK = PM * PJ

Where

PK = PL + LK

So, we have:

PK = 6 + 8

PK = 14

This gives

PL * PK = PM * PJ

6 * 14 = 4 * PJ

Divide both sides by 4

21 = PJ

Rewrite as:

PJ = 21

Hence, the length of PJ is 21

Read more about secant lines at:

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