Respuesta :

Answer: I believe it's 60

Step-by-step explanation: considering that there's (2x) its the only one that'll make since since the straight line which is half the circle is 180.

60+60(2)

60+120

180

dee4115

Answer:

60

Step-by-step explanation:

when you multiply 60 to the second power of two you can easy divide them equally