ada yang tau ga jawabannya no 8 dan 9

9. 15^2 = 17^2 - (5+BQ)^2
225 = 289 - (5+BQ)^2
(5+BQ)^2 = 289-225
5+BQ = (akar) 64
5+BQ = 8
BQ = 8-5
= 3 cm

Yg no. 8 aku ga bisa.. Semoga membantu