Assuming you mean the central angle, semicircles have central angles of .
Answer:
A P of Addition
Step-by-step explanation:
12
You could actually list the numbers between (but not including) 45 and 58:
{46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57}. I count 12 numbers here.
the answer is 7:6 :)
