Respuesta :
Answer:
The answer is 180
Step-by-step explanation:
To check the answer:
Since 60 is part of a half then 60 * 60 = 120
Now we have to find the other 60 remaining from 180 because 180-120 is 60.
1/2 of 180 is 90.
90-60 = 30
if one half is equal to 90 then the other half is equal to 90.