Study the diagram of circle G, where two chords, EF and WV, are congruent.
Segment JK is a diameter of circle G and intersects Ef at a right angle at point P.
JK intersects WV at a right angle at point O.
If PG = -x + 10, and GO = - 3(x + 2),
what is the length of PO?
16
18
8
36