Answer:
16
Step-by-step explanation:
I JUST TOOK THE TEST YW
Answer:
- 4 - 5i
Step-by-step explanation:
The centre of the circle is the average of the endpoints
centre = (- 2 + i - 6 - 11i ) ÷ 2
= (- 8 - 10i ) ÷ 2
= - 4 - 5i
7^2+8^2=113
the answer is sqrt(113)