Respuesta :

Answer:

answer is 4.5

Step-by-step explanation:

i believe that's the length of HD.

I hope this helps you

27/6=9/PH=DI/OH

27/6=9/PH

9.3/6=9/PH

3/3.2=1/PH

1/2=1/PH

PH=2

HD=9+2=11