Answer:135 degrees
Step-by-step explanation: Because a octagon equals 1080 and since there are eight sides you divide it by 8 and get 135
You could round 77 to 80 and 65 to 70 and then add 70 and 80 and you will get 150
Hello!
The formula for the volume of a sphere is
³.
Let's plug in our radius.

As we are not looking for an exact answer,we can look for an answer in terms of pi. Maybe we could multiply our fraction by 1,000.

Therefore, our answer is D.
I hope this helps!
I believe so, but It is kind of blurry for some reason on my screen but from what I can make out yes.