tolong jawab ya teman teman! #pake cara

AB = akar ( OP^2)-(OA-PB)^2
= akar ( 17^2 ) -(13-5)^2
=akar (289 -64)= akar ( 225) = 15

AB² = OP² - (R - r)²
= 17² - (13 - 5)²
= 289 - 64
= 225

AB = √225 = 15 cm