Question

answer it right i follow you, i report you if irrelevant ​

Answer 1

Answer:

Option  15

Step-by-step explanation:

(17*17)=(8*8)+(x*x)

289=64+(x*x)

289-64=(x*x)

225=(x*x)

15*15=(x*x)

15=x

So the anwer is 15 cm