8/2 is 4 and -10 + -2 is -12 because your adding two negatives
The radius of a circle is
always half of the diameter of the circle. In this case, the diameter is

, meaning that when we halve

, we will get our radius. Therefore, the radius of the circle is

. Hope this has helped you understand and have a great day!
Answer: 11, 45, 45, 54, 520
Answer:
SAS
Step-by-step explanation:
Please let me know if this doesn't help. I'm trying my best to relearn this so I can help you.